pesticide resistant insects develop from the widespread use of insecticides because
Answers
Pesticide-resistant insects develop from the widespread use of insecticides because over many generations, the naturally resistant pests survive and increase in number.
How does the widespread use of insecticides contribute to the development of pesticide resistant insects?The widespread use of insecticides exerts a strong selective pressure on insect populations. When insecticides are applied to control pests, they target and kill susceptible individuals. However, some insects may possess innate resistance traits that enable them to survive exposure to the insecticides.
These resistant individuals have genetic variations that make them less susceptible to the toxic effects of the chemicals. As a result, they are more likely to survive and reproduce, passing on their resistance traits to the next generation.
Full question:
Pesticide resistant insects develop from the widespread use of insecticides because ______
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Related Questions
By 12 weeks, the uterus is just ____________ to the level of the ____________ and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the ____________ .
Answers
Answer: 1. superior 2. pubic symphysis 3. urinary bladder
Explanation:
Given our understanding of the human anatomy, we can confirm that by 12 weeks, the uterus is just superior to the level of the pubic symphysis and is about the size and shape of a large grapefruit. As the uterus expands, it impinges on the space occupied by the bladder.
As the question tells us once the spaces are filled in, the uterus, which holds the fetus during development, expands as the fetus grows in size. This expansion causes it to extend to the spaces superior to the pubic symphysis and the space occupied by the bladder.
The expansion of the uterus into the space occupied by the bladder causes this organ to have very limited space to expand, thus greatly limiting the amount of urine it can hold which causes more frequent trips to the bathroom.
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2
It's July, mid-day, record high temperatures, and you're outside playing
basketball with friends. Provide two examples that tell me how your body
is trying to maintain Homeostasis during this event.
Your answer
Answers
blood pressure plays a major role in returning venous blood to the heart.true or false
Answers
The statement "Blood pressure plays a major role in returning venous blood to the heart" is false because venous blood flow is primarily driven by mechanisms other than blood pressure.
Unlike arterial blood flow, which is propelled by the pumping action of the heart, venous blood flow relies on a combination of factors such as skeletal muscle contractions, one-way valves within veins, and respiratory movements.
The contraction of skeletal muscles, particularly in the legs, acts as a pump, squeezing the veins and propelling blood towards the heart. The presence of one-way valves within veins prevents backward flow, ensuring blood moves in the desired direction. Additionally, the pressure changes that occur during breathing, specifically inhalation, create a pressure gradient that assists in venous return, the statement is false.
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What can bacteria do with “broken down” materials ?
Answers
label the internal structures in the partial frontal cut of a dissected cow eye by clicking and dragging the labels to the correct location.
Answers
The light enters the pupil from the cornea. The iris, or colored portion of the eye, regulates how much light enters. It then strikes the lens after that. This is the transparent component of the eye that directs light toward the retina.
The white part of the eyeball is called the sclera.
Ciliary body: It allows for changes in lens shape to eye concentrate light and also generates aqueous humor.
lens—By concentrating the light rays that travel through it, it creates sharp pictures on the retina.
Retina: This structure transforms light into eye neural impulses that are sent to the brain for visual recognition. The retina is taken from the choroid in the illustration.
The choroid's tapetum fibrosum is made up of organized refractive crystals. By reflecting light across the retina, this layer aids with night vision.
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Advancements in technology include the development of new or better processes, techniques, equipment, and systems. Which is a technological advance involving geneticists?
• alteration of DNA to control crop development
• creation of vaccinations for diseases, such as polio
• invention of diagnostic imaging equipment
• establishment of the Environmental Protection Agency (EPA)
Answers
Answer: Alteration of DNA to control crop development
Explanation: Alteration of DNA is what geneticists specialize in.
What are good reasons to get a tattoo?
Answers
Most people get tattooed to mark a significant aspect of themselves or their life this could be a good reason to get a tattoo.
Many people celebrate their family and loved ones with tattoo designs ranging from military to family portraits. In a realistic tattoo design, black and grey tattoos are most popular for honoring loved ones. However, verse tattoos may also be used to pay respect to persons you care about. You may even have their handwriting converted into a script tattoo.
Tattoos are also popular as a way to make a fashion statement. Any sort of body art, alteration, or ornamentation may help you express your own distinct and particular style.
Tattooing your body is a method to establish your own distinctive style, whether it's full tattoo sleeves on a lady to capture the pin-up style or an eclectic mix of black and grey portrait tattoos.
Another reason individuals get tattooed is to cover up scar tissue, such as getting a breast tattoo after having a mastectomy. These sorts of tattoos, which provide a sense of comedy to an unpleasant situation, can be restorative, especially when they assist improve the look of the body and build confidence.
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According to the computer model mode bye gilbert and kittel what will happen if world warm by 4'c
Answers
Answer:
The correct answer is - ice shelves will have at risk of collapse.
Explanation:
Ella Gilbert and Christoph Kittel at the University of Reading, UK, and the University of Liege, Belgium, respectively made a computer model for the effect on ice shelves by climate change.
They found that if the world warms by 4°C, the continent’s ice shelves, approximately 34% will have melted water on their surface, which is known as hydrofracturing and a sign that these ice shelves are at risk of collapse.
According to the computer model by Gilbert and Kittel, what will happen if the world warms by 4°C the solution is - the iceberg can have susceptible to sag.
They determined that if the warms by way of means of four degrees the continent's iceberg, about can have melted water on their surface, which is called a signal that those ice cabinets are susceptible to fall.
What is the computer model mode by Gilbert and Kittel?Computer modeling via way of means of Ella Gilbert and Christoph Kittel confirmed that if the warms via way of means of 4°C in view that, then in keeping with cent of the continent's iceberg can have water on their surface, a signal they're susceptible to fall.
Hence it is clear that according to the computer model by Gilbert and Kittel that if the world warms by 4°C, the ice shelves fall.
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Essay writer
A gene helps determine how the pigment melanin is distributed on human skin.
Having freckles or not having freckles are traits determined in part by this gene.
Write an explanation for why some people have one trait and other people have
the other. Be sure to use the terms allele and chromosome in your answer.
Answers
Answer:
Genes have different versions, called alleles. Alleles are one reason some people have freckles and others do not. A person who has freckles inherited alleles that produce freckles. A person with no freckles inherited different alleles that don't produce freckles.
Explanation:
That was the sample answer.
Why does the amount of energy DECREASE as you move up the pyramid?
It is absorbed by the sun
It is lost as heat
The animal vomits part of it's food
Answers
What is a non-renewable resource?
A. A resource that has already been used up
B. A resource that is infinitely abundant
C. A resource generated at a rate that is much faster than it is used
D. A resource generated at a rate that is much slower than it is used
Answers
Answer:
a
Explanation:
Answer: D
Explanation: resources are called non-renewable not because they have been completely used up or will never replenish but because they take a long time ie about thousands or millions of years to replenish.
“Some viruses are programmed to reproduce by identifying bacteria, killing them, and assembling new viruses.viruses do not eat the bacteria and do not grow after they are made. Viruses are not alive. Explain two reasons why.”
Answers
1. Viruses cannot reproduce on their own: Unlike living organisms, viruses cannot reproduce on their own. They need to infect a host cell and hijack the host cell's machinery in order to replicate themselves. Once they have infected a host cell, they use the cell's energy and resources to create new copies of themselves. However, they do not have the ability to reproduce outside of a host cell.
2. Viruses do not have the ability to carry out metabolic processes: Living organisms carry out metabolic processes, such as respiration and digestion, in order to obtain energy and nutrients. Viruses do not have the ability to carry out these processes on their own. They rely entirely on the host cell to provide them with energy and nutrients. In fact, viruses do not even have the necessary machinery to carry out these processes. They lack the organelles, such as mitochondria, that are responsible for energy production in living cells.
Direct relationship (between keystone species and other organisms):
Answers
Answer:
Keystones species are very functional in the ecosystem in which there removal or absence as predators can lead to explosion of prey populations and decrease diversity. Keystone species help define an ecosystem and without they ecosystem can cease to exist.
Explanation:
Keystone species are predators species that help regulate the populations of other species through its activities or effects on the ecosystem. Keystone species exert both direct or indirect activities on the ecosystem. An indirect interaction occurs when species influence one another through their interactions with other species. Which can be inform of competition, interaction modifications e.t.c
TRUE/FALSE true or false: minerals needed for some enzymes to function are useful at low concentrations, but the same minerals can be toxic in high concentrations.
Answers
Minerals needed for some enzymes to function are useful at low concentrations, but the same minerals can be toxic in high concentrations. Given statement is TRUE .
Enzymes are biological catalysts that speed up chemical reactions in the body. Many enzymes require specific minerals to function properly. For example, the enzyme catalase requires manganese to break down hydrogen peroxide into water and oxygen. The mineral is required in low concentrations for the enzyme to function effectively.
However, the same mineral can become toxic in high concentrations. For example, excessive intake of manganese can lead to neurological symptoms such as tremors, muscle weakness, and confusion. Similarly, excessive intake of other minerals such as iron, zinc, and copper can also lead to toxicity.
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An ice age is a period in which large areas of Earth are covered in ice. Throughout its history, Earth has experienced at least five such ice ages.
Ice is white in color, so it reflects most of the sunlight it receives. Imagine that an ice age were to happen again on Earth. Which statement
best explains how Earth's temperature would be affected?
Refer to the below image for assistance.
Answers
Answer:
A
Explanation:
The earth would be covered with ice, therefore there would be no soil, water, or rocks to absorb the sunlight.
Many environmental advocates believe that biofuel made from palm oil is NOT an appropriate replacement for fossil fuels such as petroleum because ________. Many environmental advocates believe that biofuel made from palm oil is NOT an appropriate replacement for fossil fuels such as petroleum because ________. burning palm oil actually puts more carbon dioxide into the atmosphere than burning gasoline human rights are being violated because of the palm oil slave trade oil palm plantations take land away from coffee growers it is better to use palm oil in snack foods tropical forests must be cleared to plant oil palms
Answers
Answer:
tropical forests must be cleared to plant oil palms.
Explanation:
Renewable energy is also known as clean energy and it can be defined as a type of energy that are generated through natural sources or technology-based processes that are replenished constantly. Some examples of these natural sources are water (hydropower), wind (wind energy), sun (solar power), geothermal, biomass, waves etc.
Basically, a renewable energy source is sustainable and as such can not be exhausted.
Non-renewable energy refer to a type of energy that is generated through artificial sources or that cannot be replenished. It includes coal, natural gas, fossil fuels, petroleum
Many environmental advocates believe that biofuel made from palm oil is not an appropriate replacement for fossil fuels such as petroleum because tropical forests must be cleared to plant oil palms. Palm fruits are region selective plants and as such wouldn't didn't thrive in regions other than tropical forests.
The distance time graph for four objects is shown below:
WORTH (18 PTS)
Which object is moving at constant speed?
Object A
Object B
Object C
Object D
Answers
Answer:
Object A
Explanation:
Select the tragedy and the hope of infectious diseases.
Nothing can be done to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.
It costs too much money to prevent infectious diseases.
Most of the deaths could have been prevented.
Changes can be made to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.
Answers
Answer:Most of the deaths could have been prevented.
Explanation:
just did the assignment.
while examining a sample of pond water you note a cell covered with thousands of minute hair-like extensions which it uses to propel itself through the water. this cell can immediately be classified as a/an
Answers
While examining a sample of pond water, a cell was noted to be covered with thousands of minute hair-like extensions, which it uses to propel itself through the water. This cell can immediately be classified as a protozoan.
What is a protozoan?A protozoan is a single-celled eukaryotic microorganism that is classified in the kingdom Protista. Protozoa are very diverse, and they are found in a wide range of environments.
Protozoa are characterized by their ability to move using structures such as cilia, flagella, or pseudopodia. They also exhibit a wide range of feeding strategies, including photosynthesis, phagocytosis, and osmotrophy.
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Which phrase best describes the dorsal nerve cord?
Answers
answer: D
explanation: i took the test and chose the wrong answer and this was the answer :)
which is not characteristic of the parasympathetic division of the ans? no rami communicantes long postganglionic axons terminal ganglia close to the target organ craniosacral preganglionic neuron cell bodies long preganglionic axons
Answers
No Rami Communicantes is not characteristic of the parasympathetic division of the ANS. The other three characteristics are all common to the parasympathetic division.
Parasympathetic division of ANS is one of the two divisions of the autonomic nervous system. This division is responsible for the activation of the body during a relaxed state.
The parasympathetic division of the ANS is characterized by having no rami communicantes. Parasympathetic fibers are normally not found on thoracic spinal nerves. Instead, they emerge from sacral spinal nerves S2 through S4 and from the vagus nerve (CN X).
The parasympathetic division, unlike the sympathetic division, does not have a chain of ganglia adjacent to the spinal cord, but rather has terminal ganglia located close to the target organ. The preganglionic fibers of the parasympathetic division are quite long, while the postganglionic fibers are quite short.
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Drug Dosages. Thomas Young has 5 iggested the followiLe rule for caiculating the dosage of medicine for chidren 1 to 12 yr ofd. If a denctes the aduit. dosage (in midigrams) and if t is the child's ago (in years), then the child's dosage is given by the following function.
D(t)= at/t+12 Suppose the adult dosage of a substance is 280mg. Find an expression that gives the rate (in mg/year) of change of a child's cosage with respect to the child's age. D′(t)= What is the rate of change (in mg/year) of a child's dosage with respect to his or her age for a 3 -yr-old child? A 12 -yr-old child? (flound your answer to three decimal placesi) 3-yr-old _____ mg/year 12-yriold _____ mg/year
Answers
Given data: Adult dosage of a substance is 280mg. Rule for calculating dosage for children between 1 to 12 years of age is given by the function, D(t) = a * t / t + 12. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
Let's differentiate this function with respect to t. d/dt [ D(t) ]= d/dt [ a * t / t + 12 ]
Using quotient rule,= [ a * (t + 12) - a * t ] / ( t + 12 )²= a / ( t + 12 )²
Thus, the rate of change of child's dosage with respect to child's age is given by D'(t) = a / ( t + 12 )².
Hence, the required expression is D'(t) = 280 / ( t + 12 )².
Now, substituting t = 3,
we get, D'(3) = 280 / (3 + 12)²
= 280 / 225
= 1.244 mg/year
Substituting t = 12,
we get, D'(12) = 280 / (12 + 12)²
= 280 / 576
= 0.486 mg/year
Therefore, the rate of change of a child's dosage with respect to his or her age for a 3-yr-old child is 1.244 mg/year and for a 12-yr-old child is 0.486 mg/year. We are given the formula, D(t) = a * t / t + 12, which represents the dosage for a child as a function of their age, t. To find the rate of change of this function with respect to the child's age, we need to differentiate the function with respect to t.
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The study of environmental science:
Describe the key features of Inland Grey Box Grassy
Woodland.
Answers
The Inland Grey Box Grassy Woodland is characterized by the dominance of Eucalyptus microcarpa (Grey Box) trees, diverse grasses, and an open canopy structure. It supports high biodiversity, adapts to arid conditions, and provides valuable ecosystem services.
Here are the key features of this selected vegetation type:
1. Dominant tree species: The dominant tree species in the Inland Grey Box Grassy Woodland is Eucalyptus microcarpa, commonly known as the Grey Box. This species is a medium-sized to large tree that can reach heights of up to 20-30 meters. It has rough, fibrous bark that is greyish in color, hence the name "Grey Box."
2. Understory vegetation: The understory of this woodland typically consists of a diverse range of grasses, herbs, and shrubs. Some common grass species include Themeda triandra (Kangaroo Grass) and Poa labillardieri (Common Tussock Grass). These grasses are well-adapted to the local climate and soil conditions.
3. Canopy structure: The Inland Grey Box Grassy Woodland usually has an open canopy structure, with the Grey Box trees scattered throughout the landscape. This open structure allows for a moderate amount of sunlight to reach the ground, supporting the growth of diverse grasses and understory vegetation.
4. Biodiversity value: This vegetation community is known for its high biodiversity value. It provides habitat for a variety of wildlife, including birds, reptiles, mammals, and insects. The diverse plant species within this woodland support different ecological functions and provide food and shelter for various animals.
5. Adaptations to arid conditions: The Grey Box and other plant species in this woodland have adaptations that allow them to thrive in arid or semi-arid environments. For example, Grey Box trees have deep root systems that enable them to access water from lower soil layers. The grasses and herbs often have drought-resistant traits, such as deep roots or the ability to go dormant during dry periods.
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Chimpanzees live in groups composed of:
Group of answer choices
one adult male plus one adult female and their young.
large communities of bonded males and females, plus young of all ages.
several adult females, one adult male, and any dependent young.
multiple other primate species.
one adult male, several females, and their young.
Answers
In groups, chimpanzees live, eat, hunt, and play. These clubs can expand to several dozen people but typically include 20 or 30 members. To alert one another to the availability of specific meals.
Are humans a species?The billions of individuals that currently inhabit the earth are all descendants of one species, Homo sapiens. Just like other animals, humans vary from one another in terms of anything from size and structure to light skin and eye color. But by a significant percentage, our commonalities outweigh our differences.
How many species were there among humans?300,000 years ago, nine different human species coexisted on Earth. There is now only one. The stocky hunters known as Neanderthals, or Homo neanderthalensis, were suited to the chilly steppes of Europe. While the more ape-like Homo erectus and Homo rhodesiensis thrived in Indonesia and central Africa, respectively, the related Denisovans dwelt in Asia.
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Coral snakes are brightly striped neotropical species with venomous fangs that dispense a neurotoxin into their prey. they also have a bright and distinctive color pattern of red, yellow, and black stripes. how would these two strategies, venom and warning color pattern, affect the coral snake as predator and prey?
Answers
These two strategies, venom and warning color pattern, affect the coral snake as predator and prey by venomous fangs deliver a potent neurotoxin that incapacitates their prey quickly and by warning color pattern coral snake serve as an aposematic warning to potential predators,
Coral snakes, as both predator and prey, utilize two key strategies: venom and warning color patterns. Their venomous fangs deliver a potent neurotoxin that incapacitates their prey quickly, allowing them to capture and consume smaller animals with ease. This efficiency in hunting provides the coral snake with a competitive advantage as a predator in its neotropical habitat.
Concurrently, the bright and distinctive red, yellow, and black stripes on the coral snake serve as an aposematic warning to potential predators, signaling that they are dangerous and should be avoided. This color pattern is an effective deterrent, as predators learn to associate the vibrant colors with the venomous threat and are less likely to attack the coral snake. Additionally, some non-venomous snake species have evolved to mimic the coral snake's color pattern, further reinforcing the effectiveness of this warning signal. Overall, the combination of venom and warning color patterns significantly impacts the coral snake's success in its ecosystem, allowing it to thrive as a predator and reduce its vulnerability as prey.
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Which best describes the cell theory?
Scientists know all there is to know about cells, so the cell theory will not change.
As technological advancements are made, the cell theory may change.
A theory, once formulated, cannot be changed.
The development of a synthetic cell has caused the cell theory to change.
Answers
Answer:
2.
Explanation:
Answer:
As technological advancements are made, the cell theory may change.
Explanation:
i did the test tell me if im wrong
31) How did U.S. participation in World War I contribute to its emergence as a world power in the early
20th century?
Select all the correct answers.
A) The U.S. enjoyed a period of economic prosperity after the war.
B) The U.S. mobilized a large army and navy to help the Allies achieve victory.
C) The U.S. weakened the Allied countries by making France, England and Russia reduce the size of their
armies.
D) The U.S. mobilized a large army and navy to help the Allies achieve victory.
Answers
Answer:
B
Explanation:Also this is not a bio question.
which of the following describes a cytotoxic autoimmune reaction? group of answer choices immune complexes form. antibodies react to cell-surface antigens. it is mediated by t-cells. antibodies are not made. cells are killed.
Answers
A cytotoxic autoimmune reaction is described as "cells are killed."
The immune system protects the body from external agents that can cause harm by targeting and removing them.
The immune system's function is to recognize foreign organisms and molecules, such as bacteria, viruses, fungi, and toxins, and respond to them by producing an immune response or immunologic memory.
A cytotoxic autoimmune response is a type of autoimmune response. The immune system mistakenly attacks and kills the body's cells in this reaction.
This condition causes an inflammatory reaction, which can cause tissue damage and a variety of symptoms. It may lead to the destruction of healthy cells if the immune system perceives them as foreign or dangerous.
As a result, the immune system's T-cells and antibodies attack the body's own cells.
Therefore, the correct option that describes a cytotoxic autoimmune reaction is "cells are killed."
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ANSWER ALL THE QUESTIONS FOR BRAINLIEST
How long ago did the common ancestor of all the organisms on this phylogenetic tree exist?
b. Which two lines diverged 30 million years ago?
c. List all modern descendants of the organism that was alive at the point indicated by the asterisk.
According to Model 1, when did the Giant Panda line diverge from the line that led to modern
bears?
According to Model 1, what animal shares the most recent common ancestor with the Brown
Bear?
In a complete sentence, describe what the branch points and lines in a phylogenetic tree
represent.
Which of the two branches from the common ancestor in Model 1 has the most living
descendants?
6. According to the phylogenetic tree in Model 1, the Red Panda is most closely related to which
animal?
7. Which are more closely related, the Giant Panda and the Red Panda or the Giant Panda and the
Polar Bear? Justify your answer using grammatically correct sentences.
Answers
The phylogenetic tree shows the evolutionary relationship between bears and pandas
What is a phylogenetic tree?A phylogenetic tree is a diagrmmatic representation of evolutionary relationships in a tree form where branches represent diversification of species.
From the phylogenetic tree shown:
the common ancestor of all the organisms on this phylogenetic tree existed 40 million years ago the two lines diverged 30 million years ago is the raccoons and red panda and the bears and Model 20The spectacled bear, sloth bear and sun bear were alive at the point indicated the Giant Panda line diverged from the line that led to modern bears 20 million years agothe polar bear shares the most recent common ancestor with the BrownBearThe branch points in represents the divergence points and the lines represent timelines The branch having the bears and giant panda has the most livingdescendantsThe red panda is most closely related to the raccoons The giant panda and polar bear are most closely relatedTherefore, the phylogenetic tree shows the evolutionary relationship between bears and pandas.
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the thick mucus secreted by the tissues lining the respiratory passages is known as