Consider the following food chain: Plants are eaten by grasshoppers, which are eaten by mice, which are eaten by snakes. In the short term, what will happen to the other members of the food chain if the mice were removed?
a.
the number of plants will decrease, the number of grasshoppers will increase, the number of snakes will decrease
b.
the number of plants will decrease, the number of grasshoppers will decrease, the number of snakes will decrease
c.
the number of plants will increase, the number of grasshoppers will increase, the number of snakes will decrease
d.
the number of plants will increase, the number of grasshoppers will increase, the number of snakes will increase
Answers
Answer:
The answer is A
Explanation:
The number of plants will decrease, the number of grasshoppers will increase, the number of snakes will decrease.
What is Food chain?Everything that is alive, from microscopic algae to enormous blue whales, depends on food to thrive. Each food web represents a possible route for nutrients and energy to travel through the ecosystem.
As an illustration, grass makes its own sustenance from sunshine. A bunny consumes some grass. Eaten by a fox, the rabbit. When a fox dies, microbes decompose its remains and return it to the soil, where it feeds grass-like plants.
Grass is consumed by a wide variety of animals, and rabbits can also consume other plants besides grass. Foxes can consume a wide variety of animals and plants. These living organisms can all be found in different food chains.
Therefore, The number of plants will decrease, the number of grasshoppers will increase, the number of snakes will decrease.
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Related Questions
If 1250 J of work is done on an object that weighs 50 N, how far can that
object be raised?
Answers
Answer: 1200
Explanation:
If it was 1250 J of work done, and a object that weights 50 N, you subtract 50 from 1250 which is 1200 J. Work has been done, so you subtract the high number from the lowest.
How do spores help the survival of spore-bearing plant?
a)Spores can last for many years without beginning to grow.
b)Spores provide food for the plant in a harsh environment.
c)Spores attract animals to help with pollination.
d)Spores can help plants with photosynthesis.
Answers
Answer:
it's D
Explanation:
When weather conditions are ideal, some ferns, algae, moss and even fungi, release spores into the air, often carried by the wind, by insects or birds until they land. Spores contain both male and female reproductive organs, which allows these plants to replicate themselves in a form of cloning.
Answer:
a)Spores can last for many years without beginning to grow.
Explanation:
Proteins are the most complex group of biomolecules with a wide range of functions. Which of the following best describes the function of proteins?
A) store genetic information, instructions to make proteins
B) form cell membranes, long-term energy storage, insulation
C) aid in metabolism, structural support (hair, nails, bone), create enzymes
D) ready to use energy for cells, structure for cell walls, storage as glycogen
Answers
Answer:
C
Explanation:
they aid in metabolism
where is genetic information stored in human epithelium
Answers
Your chromosomes contain the blueprint for your body – your genes. Almost every cell in the human body contains a copy of this blueprint, mostly stored inside a special sac within the cell called the nucleus. Chromosomes are long strands of a chemical substance called deoxyribonucleic acid (DNA).
A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answers
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
29. Brain has one son, two grandchildren, and three great-grandchildren. This is example of
O exponential growth.
Odynamic growth.
O linear growth.
Obinary growth.
Answers
This is an example of exponential growth.
Exponential growth refers to a pattern of growth where the quantity or size of something increases at an accelerating rate over time.
In the given scenario, Brain has one son, two grandchildren, and three great-grandchildren.
Each generation is producing more offspring, resulting in a rapidly increasing number of descendants.
The progression from one generation to the next demonstrates exponential growth because each subsequent generation adds more individuals than the previous one.
As the generations continue, the number of descendants grows exponentially larger.
Exponential growth can be observed in various natural and human-made systems, such as population growth, compound interest, and the spread of infectious diseases.
In this case, the number of descendants in Brain's family tree follows an exponential pattern, as each new generation multiplies the number of offspring, leading to a significant growth rate.
Therefore, the example given aligns with the concept of exponential growth.
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18. Some fungi live as parasites, getting nutrients from a living host ( true or false)
Answers
Answer:
It is TRUE that some fungi live as parasites.
Explanation:
The fungi living as parasites extract nutrients from a living host and thereby infect various organisms like animals ,human beings and plants.These fungi thereby causes many diseases and can be a major problem in the agricultural arena.
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Where are plankton-eating fish most likely to live in a freshwater lake?
O A. The profundal zone
B. The limnetic zone
C. The littoral zone
D. The pelagic zone
Answers
Planktons are microscopic organisms that live in the water and perform photosynthesis. Plankton-eating fish are most likely to be found in the limnetic zone. Thus, option B is correct.
What is a limnetic zone?The limnetic zone is one of the ecological zones of the lake, the other zones are littoral, profundal, euphotic, and benthic. The limnetic zone is the area of the lake with ample sunlight and is where the planktons dwell.
Microscopic organisms like cyanobacteria, phytoplankton, zooplankton, and other algae are found in this zone. They play a crucial role in the aquatic ecosystem as they can use the sunlight to produce energy and are food for other consumers.
Therefore, option B. the plankton-eating fish are most probably found in the limnetic zone of the lake.
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what are
two positive and two negative effects of land use by humans.
Answers
Answer: Positive:
1. Keep humans alive
2. Adequate food
Negative:
1. pollution
2. over population
Explanation:
Bats and birds have many things in common with each other. Both bats and birds can fly . Many bats and birds hunt for similar food, like bugs. Both bats and birds take care of their young offspring. In fact, both birds and bats migrate through Florida.
Why do both birds and bats migrate?
A. Cold weather makes it hard to find food.
B. They run out of space where they live.
C. Cold temperatures make it hard to grow bigger.
D. Shorter days and longer nights.
Please help.
Answers
Answer:
A
Explanation:
Cold weather makes it hard to find food. They travel to areas where food is available.
Please someone help me Please!!!!!!!!!!!!!!!
Answers
Answer:
Explanation:
All these problems can be solved with two simple rules
1) intersecting lines create two pairs of opposite equal angles
2) The sum of internal angles in a triangle is 180°
the rest is simple math manipulation.
I'll set up one for you
12) 81 + (x + 5) + (6x - 11) = 180
once you have x, then the center angles are z = 6x - 11 and the other triangle is
z + (y + 14) + (4y - 18) = 180
who is the longest living person on earth
Answers
Answer: Kane Tanaka HTH
Explanation:
Answer:
Kane Tanaka
Explanation:
The oldest person ever to have lived is Jeanne Calment (France), who lived to be 122 years and 164 days, and the oldest man ever is Jiroemon Kimura (Japan), who was born on 19 April 1897 and passed away aged at the age of 116 years and 54 days on 12 June 2013. The oldest person living is Kane Tanaka
In recent years the elephant population in certain African ecosystems have seen a decreased. The decrease is most likely due tl
Answers
Answer:
mostly poaching
Explanation:
i dont know if this was the answer you wanted but...
nvm I had my head on the wrong question
Solve this pls pls pls
Answers
Biochemical oxygen demand is a measure of the
Answers
Answer:
A measure of the amount of oxygen necessary to decompose organic material in a unit volume of water. As the amount of organic waste in water increases, more oxygen is used, resulting in a higher BOD.
Explanation:
Describe the results of the investigation
Answers
Note that the above investigation tested the protective effect of various oncentraion of two crypprotectants , trehalose and glycrrol on an rspiratory enzyme that was subjected to very low temperatures to the freezing pint. and then allowed to go back to the optimum temprature.
What was the outcome?The graph shows that trehalose had a more significant protective effect thatn glycerol.
It also shows that the exposure to optimum temperatures was to test the level of protection given by the cryoprotectants.
Note that the objective of the investigation was to see how effective cryoprotectants can be in preserving the actions of enzymes for future usage.
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Which of the following BEST describes how ATP synthase converts the potential energy of the proton gradient to the chemical energy of ATP? Do protons flow through the F0 or F1?
A. Kinetic energy from the flow of protons is stored in a new electrochemical gradient within the F0 subunit. The potential energy of the electrochemical gradient, in turn, is converted to kinetic energy in the F1 subunit and used to catalyze ATP synthesis.
B. The flow of protons through the F0 subunit oxidizes the F1 subunit, which allows ADP to be reduced to ATP.
C. Kinetic energy from the flow of protons is converted to the kinetic energy of rotation of the F0 subunit; the rotation of the F0 subunit leads to rotation of the F1 subunit, which can then catalyze ATP synthesis.
D. None of the other answer options is correct.
E. The flow of protons through the F0 subunit reduces the F1 subunit, which allows ADP to be oxidized to ATP.
Answers
The best description of how ATP synthase converts the potential energy of the proton gradient to the chemical energy of ATP and protons flow through the F0 or F1 is kinetic energy from the flow of protons is converted to the kinetic energy of rotation of the F0 subunit; the rotation of the F0 subunit leads to rotation of the F1 subunit, which can then catalyze ATP synthesis.
Thus, the correct option is C.
The dephosphorylаtion of аdenosine triphosphаte (АTP) provides energy for mаny biochemicаl reаctions. АTP is primаrily produced by the enzyme АTP Synthаse. Synthаses аre found in the inner mitochondriаl membrаnes аnd the chloroplаst thylаkoid membrаnes of eukаryotes, аs well аs in prokаryotic plаsmа membrаnes. Like hydroelectric turbines, АTP synthаse components rotаte in response to the proton flow, аnd this rotаtionаl energy is then coupled to АTP synthesis.
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How do ATP and NAPDH connect light-dependent and light-independent reactions in photosynthesis
Answers
ATP and NADPH serve as key molecules that connect the light-dependent and light-independent reactions in photosynthesis. They play crucial roles in transferring energy and reducing power between the two processes, ensuring the overall efficiency of photosynthesis.
1. Light-Dependent Reactions: These reactions occur in the thylakoid membranes of the chloroplasts and convert light energy into chemical energy. During this process, light energy is absorbed by chlorophyll and other pigments, leading to the generation of ATP and NADPH.
2. ATP Generation: The absorbed light energy is used to power the electron transport chain, which pumps protons across the thylakoid membrane, creating a proton gradient. The flow of protons back across the membrane through ATP synthase generates ATP from ADP and inorganic phosphate.
3. NADPH Generation: Simultaneously, the energized electrons from the electron transport chain are transferred to NADP+, reducing it to NADPH. This process requires the input of high-energy electrons and protons.
4. Light-Independent Reactions (Calvin Cycle): ATP and NADPH generated during the light-dependent reactions are utilized in the stroma of the chloroplasts to fuel the Calvin cycle. Here, carbon dioxide is fixed and converted into glucose through a series of enzymatic reactions.
5. ATP Utilization: ATP provides the necessary energy to power the various enzyme-catalyzed reactions in the Calvin cycle. It is used to drive the carboxylation of ribulose bisphosphate (RuBP), the regeneration of RuBP, and other key steps in the cycle.
6. NADPH Utilization: NADPH functions as a reducing agent in the Calvin cycle, providing the necessary high-energy electrons to convert carbon dioxide into glucose. It acts as a source of electrons in the reduction of 3-phosphoglycerate to glyceraldehyde 3-phosphate (G3P).
7. Recycling of ADP, NADP+, and Pi: As ATP is hydrolyzed to ADP and inorganic phosphate (Pi) during the Calvin cycle, ADP and Pi are regenerated in the light-dependent reactions. Similarly, NADP+ is regenerated from NADPH.
8. Continuous Cycle: The production of ATP and NADPH in the light-dependent reactions and their utilization in the light-independent reactions create a continuous cycle, ensuring the flow of energy and reducing power required for photosynthesis.
In summary, ATP and NADPH act as energy and reducing power carriers, respectively, connecting the light-dependent reactions that capture light energy with the light-independent reactions that utilize this energy to produce glucose. Their continuous generation and utilization ensure the efficiency and functionality of photosynthesis.
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What are the stages of bee development (eggs,larvae,pupae)
Answers
The stages of bee development are egg, larva, pupa, and adult. Eggs hatch into larvae, which then transform into pupae. Finally, adult bees emerge and undergo further maturation.
The stages of bee development are:
1. Egg: The bee life cycle begins when the queen bee lays an egg in a honeycomb cell.
2. Larva: The egg hatches into a larva, which is a legless, grub-like creature. The larva is fed a special diet called royal jelly, which stimulates its growth.
3. Pupa: The larva undergoes metamorphosis and transforms into a pupa. Inside the sealed cell, the pupa undergoes various changes, developing into an adult bee.
4. Adult Bee: After completing the pupal stage, the fully developed adult bee emerges from the cell. The bee then undergoes further maturation, such as its exoskeleton hardening, wings expanding, and adult coloration appearing.
It's important to note that there are three castes of bees: queen, worker, and drone. The development process for each caste is similar, but the diet and size of the cells they are raised in differ, leading to their distinct roles within the colony.
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RNA polymerase binds to a specific DNA nucleotide sequence during transcription.
What is the DNA sequence called where RNA polymerase binds, and initiates transcription?
Answers
The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
Plants in the desert ____ .
Answers
Answer:
A Cactus
Explanation:
Which shows the correct path that energy flows through an ecosystem?A. Sun -> producers -> primary consumers -> carnivores -> decomposersB. Producers -> carnivores -> decomposers -> primary consumersC. Sun -> primary consumers -> producers -> decomposers -> carnivores
Answers
The energy from the sun is captured by plants through photosynthesis, a process in which the plants will produce their own food, what gives them the status of producers. Those producers then are eaten by consumers that eat plants, which are called primary consumers. The primary consumers can be, for example, small animals, which will be eaten then by larger animals, called carnivores because they consume meat. The carnivores will, at some point, die and decompose, and their energy will be then consumed by decomposers.
Therefore, the correct answer is A. Sun -> producers -> primary consumers -> carnivores -> decomposers.
Answer: A. Sun -> producers -> primary consumers -> carnivores -> decomposers.
what is the indepent variable, dependent variable, and constants of the cell transport lab? here is the procedure: Procedure: 1. Before beginning the experiment, record at least two observations of the raw egg in your lab report. 2. Wrap the string around the center of the egg to determine its initial circumference. Measure the string and record the initial circumference in centimeters (cm). 3. Gently wrap the egg in the jar and completely cover the egg with vinegar. Use the lid to seal the jar and note the time. This will be considered the "start time" of the experiment. 4. After approximately 24 hours from the start time, carefully remove the egg from the jar of vinegar. If the shell has completely dissolved, exposing the inner membrane, move on to the next step. If not, return the egg to the vinegar until the shell has completely dissolved. 5. Record at least two observations of the egg. 6. Measure and record the circumference of the egg, being sure to measure it in the same way
Answers
Complete experiment:
Before beginning the experiment, record at least two observations of the raw egg in your lab report. Wrap the string around the center of the egg to determine its initial circumference. Measure the string and record the initial circumference in centimeters (cm). Gently place the egg in the jar and completely cover the egg with vinegar. Use the lid to seal the jar and note the time. This will be considered the "start time" of the experiment. After approximately 24 hours from the start time, carefully remove the egg from the jar of vinegar. If the shell has completely dissolved, exposing the inner membrane, move on to the next step. If not, return the egg to the vinegar until the shell has completely dissolved. Record at least two observations of the egg. Measure and record the circumference of the egg, being sure to measure it in the same way every time you measure circumference. Pour out the vinegar and rinse the jar. Then fill the jar about half full of tap water. Gently place the egg back into the jar, making sure it is completely covered with water. Use the lid to seal the jar. After a total of 48 hours from the start time, carefully remove the egg from the jar of water. Make two observations of the raw egg, and measure and record the circumference. Gently place the egg back into the jar, making sure it is completely covered with water. Use the lid to seal the jar. After a total of 72 hours from the start time, carefully remove the egg from the jar of water. Make two observations of the raw egg, and measure and record the circumference. Describe the results of your experiment or study. Use graphs and charts where appropriate.Answer and Explanation:
During an investigation, a researcher can study, under controlled conditions, how one of the variables influences the other one. The independent variable can be manipulated by the researcher, while the dependent one can not. The independent variable can show different values that do not depend on another variable. Instead, they directly affect the values of the dependents ones. A hypothesis is a claim of how this relationship works.
The independent and the dependent variables are the two principal factors needed in an experiment.
Independent variable / Manipulated variable: Refers to all the variables in an experiment that provoke a response in another variable. This variable is modified during the experiment to analyze how another variable responds to it. The researcher wants to study how the changes in these variables affect the dependent variable. The researcher can change these variables to see what changes it implies in an object, process, trait, or anything that depends on them. Usually, the independent variable is represented by the X letter. In the exposed example, the researcher manipulates the time that the egg is submerged in water. Time spent in the water is the independent variableDependent variable / Responding variable: Its response depends on any change in the independent variable. The dependent variable is the one that is being investigated, studied, and measured. It represents a quantity of something which value depends on how the independent variable is modified. It is usually identified by the letter Y. A change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. In the exposed example, the dependent variable is the egg circumference.The egg gets bigger changing its circumference as it spends more time submerged in water. The longer time it is submerged, the bigger it gets.
Constants / Controlled variables: Refers to those variables in an experiment that are controlled and have no influence on the results. These variables do not affect the change in the dependent variable values. In the exposed example the use of the lid to seal the jar and the amount and concentration of vinegar might be considered as a controlled variable. These elements are used but do not provoke any change in the size of the egg.Answer:
• Independent Variable: time the egg spends in the water.
• Dependent Variable: The egg circumference
• Controlled Variable: Quantity of vinegar.
Explanation:
How the energy is transferred to animals that cannot Barnes energy directly from the sun
Answers
Answer:
Because animals cannot produce energy directly from the sun, they must eat plants or other animals that eat plants, and acquire energy, either directly or indirectly, from glucose
Explanation:
Select a field of study within environmental science. Describe how a professional in that field would contribute to the environmental study of a lake.
(Think about the specific expertise that a professional in your field of choice would have.)
Answers
One field of study within environmental science is limnology, which is the study of freshwater ecosystems, including lakes.
What is the contribution of limnologist?A professional in this field would contribute to the environmental study of a lake in several ways. For example:
Physical and chemical analysis: A limnologist would measure various physical and chemical parameters of the lake, such as temperature, pH, dissolved oxygen, and nutrient levels.Biodiversity assessment: The limnologist would study the lake's biotic community, including algae, phytoplankton, zooplankton, and fish populations. This information would help determine the overall health of the lake.Water quality monitoring: The limnologist would monitor the lake's water quality and identify potential pollutants, such as excess nutrients, heavy metals, and other toxic substances.Ecosystem dynamics: The limnologist would study the lake's ecosystem dynamics, including food webs, trophic relationships, and nutrient cycling. This information would be used to understand how the lake functions and respond to environmental changes.Overall, a limnologist would use a combination of field and laboratory methods to gather data and conduct analysis to contribute to the understanding and management of the lake's health and ecosystem.
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Which sense of tiger is strong and how this smell help the animal in finding the fodd
Answers
The sense of smell in tigers is highly developed and serves as a critical tool for survival. It helps them locate prey, establish territories, detect potential threats, and identify reproductive opportunities. The acute sense of smell in tigers enhances their hunting efficiency and contributes to their overall adaptation as top predators in their habitats
The sense of smell in tigers is particularly strong and plays a crucial role in their survival. Tigers have a highly developed olfactory system, equipped with specialized receptors in their nasal cavity that allow them to detect and discriminate various odors in their environment.
The sense of smell is essential for tigers when it comes to finding food. Tigers are carnivores and rely on hunting to sustain themselves. Their acute sense of smell helps them locate potential prey, even from a distance. Tigers can detect the scent of other animals, such as deer or wild boar, which enables them to track and stalk their prey effectively.
The olfactory system of tigers allows them to detect not only the presence of potential prey but also to gather information about the prey's location, health, and even reproductive status. They can identify the scent markings left by other tigers, which help them establish and defend their territories. Additionally, tigers can use their sense of smell to detect the presence of rival tigers or potential threats in their surroundings.
The ability to smell plays a vital role in a tiger's hunting strategy. Tigers often rely on ambushing their prey, and a keen sense of smell allows them to analyze the scent trails left by potential prey, determining their direction and estimating the distance to their target. This helps tigers plan their approach and execute precise and efficient hunting strategies, increasing their chances of a successful kill.
Moreover, a tiger's sense of smell is not only limited to locating prey but also plays a role in identifying potential mates. During the breeding season, female tigers release pheromones that indicate their receptiveness to mating. Male tigers can detect these scents and use them to locate and court females.
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Fill in the blank:
Looking at the number of _____ gave us absolute dating
I’ll give brainliest!!!
Answers
Archaeologists use two kinds of dating methods: relative dating and absolute dating. In relative dating, we determine which things are older or younger based on their relationships. For example, we know from geology that soil layers near the surface of the ground are usually younger than those deeper down. This relationship helps archaeologists know that objects we find deep in the ground are older than things we find closer to the surface.All isotopes of carbon have 6 protons but different numbers of neutrons. One of the carbon isotopes that occurs in nature is radioactive; it has 8 neutrons and is called carbon-14.
Please help me!!!!!!!!!!
Answers
Answer:
A. making new molecules for growth
Explanation:
Light rays from the sun are called:
solar energy
heat energy
chemical energy
Answers
Answer:
solar energy aka elctromagnetic energy
Explanation:
Answer:
Solar energy
Explanation:
How does the movement of water, carbon, and nitrogen in ecosystems differ from the movement of energy?
Please help me this is due today, thank you if you do^^
Answers
Answer:
While water, carbon, and nitrogen cycle through the ecosystem, energy flows through an ecosystem.
Explanation:
There is a limited amount of water, carbon, and nitrogen in an ecosystem, and therefore, it cycles and passes through an ecosystem multiple times. In the case of energy, however, it is different. Energy goes into a system, flows from organism to organism, and then leaves the system. For example, with water, that water will rain, gather in a river or body of water, and evaporate, doing the cycle over and over again. Energy from the sun however, gets collected by producers, then flows to the organism that eats the plant, then flows to the organism that eats that organism, and so on. The energy does not return to the sun, it just leaves the system (like for example when an organism dies).