how are learned behavior related to natural selection
Answers
Limited inherited behaviors exist. The parent or group can effectively educate the young how to hunt, migrate, etc. by using learnt behaviors. They therefore remain alive, procreate, and the cycle is maintained. People who have learned behaviors are therefore "selected for."
How does the peak of natural selection relate to learnt behaviors?Because learned behaviors do not increase the likelihood that an individual will live and reproduce, they do not directly influence natural selection. Organisms pass on their survival strategies to their progeny as they learn to adapt to their surroundings.
how can natural selection affect conduct?Natural selection is another process that can mold behavior. The ability to learn language in humans, the wiggle dance of bees, and avian mating rituals are just a few examples of behaviors that are subject to natural selection and have genetic roots.
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Related Questions
help me please it’s due tomorrow
Answers
Answer:
James Watson and Francis Crick on 2.
Watch this video about Rita, a Clinical Laboratory Scientist. How would Rita use the techniques you practiced in this lab to test for human disease genes? Would this type of testing work on every disease with a genetic component?
Answers
In the video about Rita, a Clinical Laboratory Scientist, she would use the techniques practiced in the lab to test for human disease genes by utilizing genetic testing methods such as DNA extraction, PCR, DNA sequencing, and gene expression profiling to test for human disease genes. Not all disease can use this type of testing with a genetic component.
Firstly, Rita would extract DNA from a patient's sample, such as blood or saliva. Then, she would use techniques like polymerase chain reaction (PCR) to amplify specific gene regions of interest, this amplification allows for easier detection of disease-related mutations. Rita would then analyze the amplified DNA using methods like DNA sequencing or gene expression profiling. These techniques help identify any variations or abnormalities in the patient's genes that may contribute to the development of a disease.
However, it's important to note that not all diseases with a genetic component can be tested using these techniques. Some diseases have complex genetic factors that are still not fully understood. Additionally, some diseases may have mutations or variations in regions of the genome that are difficult to detect using current testing methods. Therefore, while genetic testing is a powerful tool, it may not be applicable to every disease with a genetic component. In summary, Rita would use techniques like DNA extraction, PCR, DNA sequencing, and gene expression profiling to test for human disease genes. However, the applicability of this type of testing depends on the specific disease and its underlying genetic factors.
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The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (
Answers
The statement is completed as"The close contact between newborns and family members allows them to become contaminated with microbes that become established as their microbiota."
What is microbiota?Generally, a microbiota is simply defined as microscopic organisms found in a specific environment,
In conclusion, the function of microbiota includes direct competition for limited nutrients and modulation of host immune responses, to protect the intestine.
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What is the correct order for respiration?
A. Kerbs cycle, electron transport chain, glycolysis
B. glycolysis, electron transport chain, krebs cycle
C. glycolysis, krebs cycle, electron transport chain
D. krebs cycle, glycolysis, electron transport chain
Answers
Answer:
The answer is C. Glycolysis, Krebs cycle, Electron transport.
Explanation:
The breaking of the C−C bonds of complex compounds through oxidation within the cells, leading to the release of a considerable amount of energy is called respiration. Since this process occurs in the cell, it is called cellular respiration. It is a multistep process that starts with the breaking down of glucose to form a three-carbon pyruvate molecule. This stage is known as glycolysis. Glycolysis takes place in the cytoplasm.
Thus, the correct order of the stages in cellular respiration is:
Glycolysis - Oxidative decarboxylation - Krebs cycle - Electron transport chain - Oxidative phosphorylation.
What structural features do cellulose and glycogen share, and in what ways do they differ?.
Answers
Answer:
Option (b) Both are polymers of D-glucose but cellulose is connected by ( beta 1-4 ) glycosidic linkage whereas glycogen is connected by ( alpha1-4) glycosidic linkage....
Explanation:
:)
The same monomer, glucose, is used by both cellulose and glycogen.Six carbon atoms make up the ring structure of glucose.Different structures can be made by joining separate glucose rings together at various carbons.
What structural features do cellulose and glycogen share?
Glucose subunits make up the polysaccharides that make up starch, cellulose, and glycogen.In contrast to cellulose, which consists of -glucose subunits, starch and glycogen are composed of -glucose subunits.Starch and glycogen are branched polymers of glucose, whereas cellulose is an unbranched, straight-chain polymer of glucose.Let's explore the variations among these polysaccharides. Composition of Cellulose.The primary structural element of a plant's cell wall is cellulose.It can only be found in plants.The most prevalent organic compound in the plant kingdom is cellulose.It is composed of 1-4 glycosidic linkages that connect its -glucose subunits.This glucose polymer is straight and unbranched.Strong fibers are created by hydrogen bonds between adjacent chains of glucose units. Organization of Glycogen,In both animals and fungus, it serves as the primary storage carbohydrate.Its structure is similar to that of amylopectin and is heavily branched.It is a polymer made up of 1,4 and 1,6 glycosidic linkages that connect different -glucose subunits.After around every 10 subunits, it branches.Another name for glycogen is animal starch.It is kept in the brain, muscle, and liver.Glycogen is converted to glucose during a process known as glycogenolysis whenever the body needs energy.The degradation of glycogen is catalyzed by the enzyme glycogen phosphorylase.Phosphoglucomutase uses glucose to produce glucose-1-phosphate, which is then changed into glucose-6-phosphate.Glycogen is created from glucose as blood glucose levels rise.Glycogenesis is the term used to describe the process of making glycogen.Hormones regulate the interconversion of glucose to glycogen.Insulin induces glycogenesis while glucagon and adrenaline encourage glycogenolysis.To learn more about cellulose refer
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Jason and Lyric both are trying to enter Harmony House. Jason pushes on the door with a force of 5N right and Lyric pushes on the door with a force of 3N to the right.
Answers
the total number of pushes all together will be 8N
Fungi were once classified in the same kingdom as plants. Which characteristic of fungi resulted in them being placed in a separate kingdom?.
Answers
A population of mice lives on an island in the Pacific Ocean. From year to year, the size of the adult population remains at about 300 individuals, and the variety and frequency of the traits of the mice change very little.
Which of these events would be MOST likely to cause an evolutionary change to the mouse population on the island?
O A. an island predator killing and eating 50 mice.
O B. a storm that drowned about 50 mice all across the island.
O C. a mutation in the skin cells of an adult mouse.
O D. a drought that reduced and altered the food supply of the mice.
O E. a breeding pair of mice producing an unusually large number of offspring.
Answers
Answer:
cbd
Explanation:
C, a mutation in the skin cells of an adult mouse, is the occurrence that would be most likely to lead to an evolutionary shift in the mouse population on the island.
What is the genetic variety ?Genetic variety, which is the foundation of evolution, is mostly produced via mutations. Mutations can result from external sources like radiation or chemicals or spontaneously arise as DNA is replicated during cell division.
A change in a mouse's genes resulting from a mutation in its mature skin cells might be passed on to the mouse's progeny. The other things on the list wouldn't affect the population of mice in an evolutionary way. Event A, a predator on an island killing and devouring 50 mice, would cause the population to decline.but would not result in an evolutionary shift due to size.
Even though Event B, a storm that drowned roughly 50 mice over the whole island, reduced the population number, it had no evolutionary impact. Even though Event D, a drought that reduced and altered the mice's food supply, did not affect evolution, it may have changed the mice's behaviour, such as making them more competitive for food.
The population would grow as a result of Event E, a mating couple of mice having an abnormally high number of offspring, but no evolutionary change would result.
In conclusion, C, a mutation in an adult mouse's skin cells, is the scenario that would most likely result in an evolution of the mouse population on the island.mouse. The main cause of the genetic variety that underlies evolution, mutations can alter the genes that are handed down to the next generation. The other things on the list wouldn't affect evolution.
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This graph shows the number of turtles living in a pond over time.
What happens to the number of turtles over these five years?
The number goes up.
The number goes down.
The number goes up and down.
The number stays the same.
Answers
Answer:
A
Explanation:
According to the graph the number goes up of turtles over these five years. Thus, option A is correct.
What is ecosystem?An ecosystem have each and every organism and the relation between physical environment by which they interact. The function of ecosystem is to satisfy the need of humans by supplying them services and goods from nature.
Ecosystem is the branch of science which deals with the study of relationship between living organisms and natural phenomena. Ecosystem is the system in which both living as well as nonliving organisms are present in a particular location.
There are various types of ecosystem such as Grassland ecosystem, Tundra ecosystem, Desert ecosystem, Forest ecosystem. Biodiversity is all the different kinds of life living in a particular area like the varity of animals, plants, fungi and microorganisms like bacteria and virus that plays a major role in framing of natural world usually three levels of biodiversity are observed and these are genetic species, and ecosystem diversity.
Therefore, According to the graph the number goes up of turtles over these five years. Thus, option A is correct.
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A native species is competing for resources
with a nonnative species that was accidentally
introduced into the area. The nonnative
species is more likely to survive than the native
species when
(1) both species eat the same food
(2) predators prey on both species
(3) the native species is immune to a particular
pathogen present in the ecosystem
(4) the nonnative species has no natural enemies
present in the ecosystem
Answers
The nonnative species has a higher chance of surviving when both species consume the same food. This is due to the nonnative species' lack of environmental adaptation and lack of evolutionary specialisation in certain food sources.
What is the scenario with the non native species ?Because it can eat a larger variety of food sources than the local species, the nonnative species is more likely to have a competitive advantage over it. This indicates that there is a higher likelihood that the nonnative species will outcompete the native species for resources.
When both species are preyed upon by predators, the nonnative species has a higher chance of surviving than the native species. This is due to the nonnative species' lack of environmental adaptation and lack of evolution towards resistance to the indigenous predators.environmental system.
Because it is less likely to be hunted by predators, the nonnative species is more likely to have a competitive advantage over the native species. In contrast to native species, nonnative species have a better chance of surviving. The nonnative species has a higher chance of surviving than the native species when the native species is immune to a certain disease that is prevalent in the habitat.
This is due to the nonnative species' lack of environmental adaptation and lack of evolutionary development of disease resistance. The nonnative species is more likely to have a competitive edge over the native species because it is less likely to be affected by the pathogen.
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Whats high tide zone
Answers
it is the first option, also only covered by water in the highest tides
Answer:
Only covered by water during the highest tides. Out of water for long stretches in between high tides.
Explanation:
I took the test.
what system works with the circulatory system by bringing in O2 and releasing CO2
Answers
it’s the respiratory system
PLEASEEE HELP ASAP! BRAINLIST GETS 80 POINTS!!!!!!!!!!
04.02 Environmental Resources Lab Report
Instructions: For this lab, use the lab report to record your information. You will submit your completed lab report.
Note: If you cannot complete this lab as directed, please contact your instructor for assistance.
Name and Title:
Include your name, instructor's name, and date.
Introduction
To improve your soil, you should first know what you’re starting with. In this lab, you will sample local soil to determine its composition and pH range.
Materials
• Distilled water
• Metric ruler
• Small zipper storage bag
• Soil from the yard, garden, or other local source
• Jar with tightly fitting lid (tall and skinny would be best)
• Small digging tool
• pH strips (available at hardware and pool supply stores) or vinegar and baking soda
Pre-lab Questions
1. Describe soil particles (sand, silt, and clay) in term of size and texture.
2. If soil is too acidic, what substance is usually added? If soil is too alkaline, what substance is usually added?
3. Why are soil composition and pH important to know?
Hypothesis
Predict what type of soil you think is in your local area (mostly sand, silt, clay, or mixed) and if it more acidic, more alkaline, or neutral.
Procedure
Obtaining soil samples for your jar and resealable bag
1. Take your jar, resealable bag, and digging tool into your garden or yard. Use the digging tool to dig a hole 3–6 inches deep. Take your soil sample from the soil at this depth.
2. Place approximately one cup of soil into the resealable bag, squeeze the air out of the bag, and zip it shut (you will use this soil later in the lab).
3. Dig up additional soil and fill the jar to approximately 1/4 full of soil. Take everything back inside to your work area.
Note: To avoid making a mess, it is best to work on a covered surface (for example, a kitchen counter covered with old newspaper or plastic wrap).
4. Fill the remaining space in the jar with water, and screw the cap on tightly (see Figure 1, below).
5. Shake the jar so that the dirt is totally dispersed through the water (see Figure 2, below). Set down the jar and allow the shaken contents to settle completely (see Figure 3, below). Leave it undisturbed overnight while you test the texture and pH of the soil in your resealable bag.
Note: Do not pick up the jar. Doing so will begin to mix the contents again.
Figure 1 Figure 2 Figure 3
Fill jar 3/4 full of water and 1/4 full of soil. With the lid on tightly, shake the jar well until the soil and water have mixed thoroughly. Let the jar sit. Materials will begin to settle out and form layers.
Testing texture and pH of the soil in your resealable bag
1. While you wait for the soil and water sample to settle in the jar, you can test the texture of the sample in the resealable bag. First, remove a small amount and moisten it slightly to test the texture. Record your observations in the Data and Observations section.
a. Rough and gritty soil that barely sticks together is sand.
b. Loams (mixtures of clay, silt, and sand) feel medium-textured.
c. Smooth and sticky fine textures indicate clay.
2. Next, test the pH using one of the following methods:
a. If you have pH strips: To test with pH strips, place the soil sample in a small bowl or container and add a small amount of distilled water. Add just enough water to make the soil slightly liquid, like a milkshake consistency. Dip the pH strip in and compare it to the color identification provided with the test strips. Record your data in the Data and Observations section.
b. If you do not have pH strips: Use vinegar and baking soda instead. To do this, split the sample into two containers. Add a half cup of vinegar to the first sample of soil, mix gently, and watch to see if it bubbles or fizzes. If it does, it is alkaline. In the second container, add a half cup of distilled water to the soil and mix gently. Then add a half cup of baking soda. If there is a reaction of bubbles or fizzing, the soil is acidic. If neither sample has a reaction, the soil is neutral. Record your data in the Data and Observations section.
Testing soil sample in your jar
1. For the sample in the jar, wait until after the contents have settled and you can see several different-colored layers. In addition, you may see some material floating at the top of the water. You may also see that the water is still clouded with some particles.
2. Measure the total thickness of the soil in the jar after it settles. Record this measurement (in centimeters) in the data table.
3. Observe the settled dirt carefully. There should be distinct layers of soil. The bottom will be your sand layer (largest particles fall out first), then clay or silt, depending on the kind of soil you have. Carefully measure the thickness of any layers of soil seen in your jar. Record your measurements in centimeters (cm) in the data table. Also record the color of each layer.
Answers
laboratory activity 3. according to the hypothesis, not the video lab experimental results, should solute concentration affect the rate of osmosis?
Answers
Seawater has a salt concentration of roughly 35 parts per thousand (3.5%), which is somewhat more salty than human blood, which has a salt concentration of 0.9%.
If we use seawater as an example of a solution, the solvent is the water, and the solute is the salt (the particles that are dissolved) (the liquid that dissolves the particles). Osmosis is the transfer of a solvent from a region of lower solute concentration to a region of higher solute concentration through a semi-permeable membrane. The dissolved solutes—the sodium and chloride ions that make up salt—cannot traverse the barrier but the water, the solvent, may. In these circumstances, water will traverse the membrane to balance the solute content on each side. Cells
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You are requested to implement a simple virus management system. "A virus is a submicroscopic infectious agent that replicates only inside the fiving cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. "Viruses can be classified into various categories according to the Baltimore classitication (see link for more details). Any virus can be identified by many fields including an official name, date when it was first discovered, who discovered... 1- (1 mark) Describe the virus and research Lab data types, Virus and ResearchLab, using Java classes. Make sure to use Java inheritance, an interface, and an abstract class. 2. (4 marks) We want to implement a simple application that manages the viruses stored in research Labs. You are asked to develop a Java application that uses. an array to store all information regarding the viruses maintained in each research Lab and using the newly created data types: Virus and ResearchLab defined in 1). You should provide a menu with the following options: Please use the partial Java code provided with this assignment which prints the menu. You MUST do this lab in groups of a maximum two students. This Programming Assignment counts for 5 marks. You should upload your java program and screen shot of the test on blackboard on time. Any late submission will be penalized (−0.25/ day . Warning: Plagiarism will be reported to the Academic integrity Office CSC301-Data Structures and Algorithms (Fall 2022)
Answers
To implement a virus management system, create Virus and ResearchLab classes in Java, using inheritance and an interface. Use an array to store virus information and provide menu options for managing the viruses.
To implement a virus management system, we can create two Java classes: "Virus" and "ResearchLab". The "Virus" class will represent a virus and will have fields such as the official name, discovery date, and discoverer's name. The "ResearchLab" class will represent a research lab and will contain an array to store information about the viruses stored in that lab. To ensure code reusability and structure, we can create an abstract class called "Organism" that both "Virus" and "ResearchLab" classes will inherit from. This abstract class can define common properties and methods related to organisms.
We can create an interface called "Infectious" that specifies the behavior of infectious organisms. The "Virus" class can implement this interface to indicate that it is an infectious agent. By using these classes, we can develop a Java application that manages viruses stored in research labs. The application can provide a menu with options such as adding a new virus, removing a virus, displaying all viruses in a lab, etc. The menu can be implemented using the partial Java code provided, and the functionality can be implemented using the defined classes and data types.
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mary put her hand on a hot stove. which neuron is responsible for sending a pain message up her spinal column, where it would then enter into the main area of the cord
Answers
The sensory neuron is responsible for sending a pain message up her spinal column, where it would then enter into the main area of the cord. Sensory neurons are nerve cells responsible for converting external stimuli from the environment into internal electrical impulses.
Sensory neurons are a type of neurons that transmit information from sensory receptors in the body to the central nervous system (brain and spinal cord).Their function is to communicate information regarding sensory stimuli from both external and internal environments.
Once the sensory neuron receives the stimulus, it transmits a message in the form of an electrical impulse to the central nervous system, which will ultimately result in a response.Sensory neurons are specialized cells in the nervous system that transmit sensory information (like touch, sound, light, and other sensory stimuli) from sensory receptors to the central nervous system, which then processes and interprets the information to produce a response.
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What doesn't contribute to climate change ozone hole earth's orbit human activity solar activity
Answers
Out of the options provided, the ozone hole and Earth's orbit do not directly contribute to climate change.
Ozone hole: The ozone hole refers to the thinning of the ozone layer in the Earth's stratosphere, primarily over the polar regions. While the depletion of the ozone layer is a significant environmental concern, it is distinct from climate change. Ozone depletion is caused by the release of chlorofluorocarbons (CFCs) and other ozone-depleting substances, which have harmful effects on the ozone layer but do not contribute significantly to global climate change. Earth's orbit: The Earth's orbit refers to its path around the Sun. Variations in Earth's orbit over long periods of time, known as Milankovitch cycles, influence climate patterns on geological timescales. However, these orbital variations occur over thousands to tens of thousands of years and are not responsible for the rapid climate changes observed in recent times.
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Studies of fat cells and thyroid cells show that fat cells have fewer mitochondria than thyroid cells. A biologist would most likely infer that fat tissue does not require energy
requires less energy than thyroid tissue
has energy requirements equal to those of thyroid tissue
requires more energy than thyroid tissue
Answers
Answer:
requires less energy than thyroid tissue
Explanation:
Thyroid tissue's energy requirement is more than fat tissue. option D is the correct answer.
What is the function of thyroid cells?The thyroid plays an important role in regulating the body's metabolism. The hormones it secretes help govern many functions of the body like how the body produces heat, consumes oxygen, and uses energy.
Virtually every tissue in the body is affected or regulated by thyroid hormone. Think where mitochondria are found in the greatest numbers - they are found (for example) in liver cells, kidney cells, muscle cells, etc. These tissues carry out a lot of work and thus require lots of energy. Fat is a storage product that sits there until required but the thyroid does lots of work involved in metabolism and therefore requires plenty of energy.
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what evolutionary force is acting on the new tribe when they intermarry and reproduce with the other tribe? will this increase or decrease the genetic diversity of the new tribe? why?
Answers
The evolutionary force that is acting on the new tribe when they intermarry and reproduce with the other tribe is gene flow.
Gene flow is the transfer of genetic variation from one population to another as a result of migration and interbreeding. When members of the new tribe intermarry and reproduce with members of the other tribe, they introduce new alleles into the gene pool of the new tribe through gene flow.
The effect of gene flow on genetic diversity depends on the amount of genetic variation that is introduced by the interbreeding and the degree of genetic differentiation between the two populations. If the two tribes have different alleles at certain loci, interbreeding can increase the genetic diversity of the new tribe by introducing new alleles into their gene pool. On the other hand, if the two tribes are already genetically similar, gene flow may not have a significant effect on the genetic diversity of the new tribe.
In summary, gene flow is the evolutionary force that is acting on the new tribe when they intermarry and reproduce with the other tribe. The effect of gene flow on the genetic diversity of the new tribe depends on the amount of genetic variation that is introduced and the degree of genetic differentiation between the two populations.
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The sun is a significant factor that helps to support life. Which of the following earht-sun relationship is not true.
A) The sun’s gravity keeps Earth from flying off into space
B) Earth is the 4th planet from the sun, which is a perfect distance to utilize the sun’s energy.
C) The Sun is key to dynamic processes on Earth, like weather, climate, and cycling of water.
D) If earth were any further from the Sun, more ice would form reflecting more heat and making the planet similar to Mars.
Answers
Answer:
D
Explanation:
I know FOR SURE that A, B, and C are correct, so D isn't
what happens during homeostasis?
Answers
I think Homeostasis pretty much means, your cells are in balance and are functioning smoothly. Your body is running smoothly.
1. What is meant by the lock and key model?
2. Think about what the lock and key model means for metabolism in a cell. What happens if a cell cannot produce the enzyme necessary for a specific metabolic reaction?
Answers
A theory of enzyme action known as the "lock and key" hypothesis describes how enzymes adapt to their substrate.
What are enzymes?Proteins called enzymes assist our bodies' chemical reactions move forward more quickly.
For several processes, including digestion and liver function, enzymes are crucial. Health issues might result from having too much or too little of a specific enzyme.
According to the "lock-and-key" concept of enzyme-substrate interaction, the enzyme and the substrate have distinct complimentary geometric geometries that perfectly fit one another. Enzymes are extremely specialized.
Cells can utilize inhibitors to render an enzyme inactive or decrease the amount of a rate-limiting enzyme in a metabolic pathway in order to speed up, slow down, or stop the pathway.
The metabolic process cannot take place if a cell cannot create an enzyme.
Thus, this can happen if a cell cannot produce the enzyme necessary for a specific metabolic reaction.
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the mass of a 235 92u nucleus is _____ the sum of the masses of a 141 56ba nucleus, a 9236kr nucleus, and two neutrons, all separated from each other.
Answers
The mass of a 235 92U nucleus is less than the sum of the masses of a 141 56Ba nucleus, a 9236Kr nucleus, and two neutrons, all separated from each other.
The mass of the nucleus is affected by the number of protons and neutrons it contains. The total mass of a nucleus is determined by adding up the masses of the individual protons and neutrons. The mass of a 235 92U nucleus is less than the sum of the masses of a 141 56Ba nucleus, a 9236Kr nucleus, and two neutrons, all separated from each other.The mass of the nucleus is less than the sum of its parts due to a phenomenon known as nuclear binding energy.
The energy required to break a nucleus down into its individual protons and neutrons is referred to as nuclear binding energy. When a nucleus is created, nuclear binding energy is released, which lowers the overall mass of the nucleus by a small amount.The amount of nuclear binding energy present in a nucleus is determined by the number of protons and neutrons it contains. The larger the number of protons and neutrons, the greater the amount of nuclear binding energy. The nucleus becomes more tightly bound as a result of the increased nuclear binding energy, and its overall mass is reduced slightly.
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which of the following mechanisms is not used to propel lymph through lymphatic vessels? which of the following mechanisms is not used to propel lymph through lymphatic vessels? a flowchart of a circuit and a capillary bed with lymphatic capillaries spreading between the network of blood capillaries. vessels of the arterial system come from the heart to the blood capillaries. vessels of the venous system come from the blood capillaries to the heart. vessels of the lymphatic system come from the blood capillaries to the venous system near the heart. in the capillary bed, arrows run from tissue fluid to the lymphatic capillaries. pulmonary motion small, heart-like pumps the milking action of muscles gravity
Answers
Small, heart-like pumps the milking action of muscles gravity is not used to propel lymph through lymphatic vessels.
Mechanism In order to move lymph through the veins, pressure gradients are created by the contraction of smooth muscle in the vessel walls, respiratory movement, and skeletal muscular action.In most parts of the body, lymph moves against a hydrostatic pressure gradient as a result of a combination of extrinsic (passive) and intrinsic (active) forces. The performance of the lymph pump system affects the interstitial fluid balance as well as other facets of overall homeostasis.Breathing. There is no smooth muscle layer in the capillary's thin, squamous epithelium-based wall. In order to aid lymph travel back to the veins, the lymphatic trunks' walls are lined with smooth muscle. Lymph is squeezed back toward the heart by skeletal muscle contractions that surround lymphatic veins.For more information on lymph kindly visit to
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Hurry before it is too late!!!! Hey I hear a train whistle like a tornado train whistle and my parents don't believe me. Should I just get into our tornado shelter (it is in the garage) or just wait. The power has not went off and there is a railroad track near us. Hurry ! Right choice is brainliest!!!!
Answers
Answer:
brainliest
Explanation:
....
Answer: Just trust the weather since power didn't go out yet.
The table shows characteristics of the element iron (Fe),
Element
Characteristics
• easy to bend and shape
good conductor of heat
good conductor of electricity
iron (Fe)
Iron is most likely a
ОА
nonmetal.
B
metal
С
gas
metalloid
Answers
Answer:
Metal
Explanation:
Because metals are conductors and malleable
Digestive juices are incredibly strong, how does the stomach protect itself from also being digested?
Protective mucus
Extra layers of skin
It doesn't
Bile produced by the gallbladder
Answers
Answer:
Protective mucus
Explanation:
The mucus covers the stomach wall with a protective coating. Together with the bicarbonate, this ensures that the stomach wall itself is not damaged by the hydrochloric acid
Which of the following provided structural evidence for the concept of a common ancestor
Answers
Physical characteristic was present in a common ancestor, species may have similar physical characteristics (homologous structures).
What are homologous structures?A physical trait that distinguishes two or more species, such as a complicated bone structure or a body plan, may have been passed down from a common ancestor.
A common ancestor's evolutionary history causes physical characteristics to be homologous.
Sometimes, structures in an organism are similar to crucial structures in other animals, but they no longer serve the primary ancestral role. Vestigial structures are these structures, which are frequently scaled down.
Therefore, Physical characteristic was present in a common ancestor, species may have similar physical characteristics (homologous structures).
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what will a streak plate with two species of bacteria look like
Answers
A streak plate with two species of bacteria will likely have distinct colonies of each species visible. Each colony may have a different color, texture, or shape, depending on the specific characteristics of each species.
It may also be possible to see where the colonies of each species intersect or overlap on the plate. Overall, a streak plate with two species of bacteria will have a varied and distinct appearance due to the presence of multiple bacterial species.
In streak plate technique, a loopful of culture is spread on an agar plate to get individual cells far apart enough from each other. The streaking method gradually dilutes the inoculum such that the bacterial cells can be counted as colony forming units (CFUs).
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Disinfection is important in killing any remaining bacteria or pathogens in the wastewater. True False
Answers
Answer:
True
Explanation:
It is typically a final step to remove organisms from the treated water before the effluent is released back into the water system. Disinfection prevents the spread of waterborne diseases by reducing microbes and bacterial numbers to a regulated level.
Disinfectants are used to rapidly kill bacteria. They kill off the bacteria by causing the proteins to become damaged and the outer layers of the bacteria cell to rupture. The DNA material subsequently leaks out.
Disinfection is the process designed to kill or inactivate most microorganisms in wastewater, including essentially all pathogenic organisms. Contrast this to sterilization, which is the removal and destruction of all living microorganisms, including pathogenic and saprophytic bacteria, vegetative forms and spores.