which of the following types of selection will decrease variation? group of answer choices fish with rare spots instead of stripes are easier for predators to target. insects that prefer a less popular host species get more food. moths with a rare color are eaten less by birds. carriers of the cystic fibrosis allele are resistant to dysentary

Answer:

an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner layer being folded inward to form layers (cristae).

Explanation:

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\( \mathsf \blue{sepal}\)

Answer:

The Sepal

Explanation:

The answer is the sepal.

Sepals (collectivly called the calyx) are small, green leaf-like structures that protect the flower in the bud stage.

Answer:

Rocks

Explanation:

life began at least 3.5 billion years ago, because that is the age of the oldest rocks with fossil evidence of life on earth. These rocks are rare because subsequent geologic processes have reshaped the surface of our planet, often destroying older rocks while making new ones.

Answer:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time. This type of mutation occurs when the addition or loss of DNA bases changes a gene's reading frame. A reading frame consists of groups of 3 bases that each code for one amino acid.

Explanation:

Answer: The correct answer is C!

Explanation:

Plant cells submerged in a concentrated sugar solution, which has a low water concentration relative to its contents, will osmotically lose water. They are believed to have been plasmolyzed when their cell membranes began to peeled away from their cell walls.

I believe this is best represented in answer C as you can see that the water is now lost. I hope this can help you.

Full question:

Drag each label to the correct location on the chart. Based on the number of offsprings they produce at one time, organisms are classified into two categories many offsprings at once and a few at a time. Sort the characteristics based on the category they describe.

A.Low percentage of offspring reach adulthood,

B.limited parental involvement,

C.High percentage of offspring reach adulthood,

D.Rapid maturation,

E.Parental care observed,

few offspring at once vs many offspring at once.

Answer:

At the same time, there are a few offspring

C. A high proportion of offspring grow up to be adults.

E. Observed parental care,

At the same time, many offspring

A. Only a small fraction of offspring grow up to be adults.

B. minimal parental participation;

D. Rapid maturation.

Few offspring at a time have a high percentage of offspring reaching adulthood. If a large percentage of offspring reach adulthood, the offspring are likely to be few and well cared for.

Parental care is seen to be unique to only a few offspring at a time. If the parents provide good care to their children, the offspring are likely to be few. It will be easier for the parent organism to care for a small number of children at once.

Many offspring at once have a low percentage of offspring reaching adulthood. Because there are so many kids at once, competition for room and food, as well as a lack of care, only a small percentage of them will reach adulthood.

Many offspring have limited parental participation at the same time. Because there were so many kids at the same time, the competition for parental care among the offspring would be strong. The parents' organism will be unable to care for the large number of children.

Rapid maturation is unique to several offspring at the same time. In order to survive, the organism will have to mature quickly. Due to the large number of children, survival will be determined by the fittest. The ability of the children to mature quickly will be aided by the survival of the fittest trait.

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Reproductive isolation is a process in which individuals in a population are prevented from reproducing. This isolation can occur in several ways, such as a physical barrier that separated these species into two groups that will reproduce with each other and generate a new species.

Speciation is an essential evolutionary process for the creation of new species. It is worth remembering that from reproductive isolation, the individuals of a population have been differentiating and evolving and in the end, there will be a different species from the initial one. Therefore, speciation is necessary for the emergence of new species.

Reproductive isolation may occur due to a geographic barrier. In this case, a population is separated by a geographic barrier such as a river, a canyon, or a mountain, thus generating subpopulations that will begin to evolve and adapt in different ways. In the end, we will have different subpopulations, but in the beginning, they were part of the same population.

Answer:

Explanation:(1) Digestive System gets nutrients (good) from food and hands it over to the blood and Circulatory System then carries those nutrients where they need to go. (2) Filters out waste from food and pushes it through intestines and out the body (and you know how and where it gets out).

If a test tube contained an RNA solution, the Dische diphenylamine test would likely result in a blue color, indicating the presence of RNA.

Chemical tests are frequently used to identify the presence of DNA or RNA in a sample, such as the Dische diphenylamine test. When the test reagent, which is composed of concentrated sulfuric acid and diphenylamine, is introduced to a sample of DNA or RNA, it interacts with the pentose sugars in the nucleic acid backbone and produces a blue colour. The presence of DNA or RNA in the sample is indicated by this colour. The Dische diphenylamine test can be used to determine whether or not RNA is present in a sample because it also includes pentose sugars. As a result, when the Dische diphenylamine test was run on a test tube containing an RNA solution, it would probably produce a blue hue, indicating the presence of RNA.

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The recommended approach to address Anne's heartburn and constipation during her seventh month of pregnancy would be option B: smaller and frequent meals.

Heartburn and constipation are common discomforts experienced during pregnancy, particularly in the later stages when the growing uterus puts pressure on the digestive system. By opting for smaller and more frequent meals, Anne can help alleviate these symptoms.

Here's an explanation of why this approach is recommended:

Heartburn: Larger meals can exacerbate heartburn because they increase stomach pressure, leading to acid reflux. By opting for smaller meals, Anne can avoid overfilling her stomach, reducing the likelihood of acid reflux and subsequent heartburn.

Constipation: Smaller and more frequent meals can be beneficial for relieving constipation. This approach helps maintain a steady intake of nutrients and fiber throughout the day, promoting regular bowel movements. Large meals, on the other hand, can lead to sluggish digestion and contribute to constipation.

Additionally, it's important to note that while fiber is generally recommended to alleviate constipation, excessive intake of insoluble fiber (found in some high-fiber foods) can potentially worsen symptoms. Therefore, it is advisable to choose easily digestible and soluble fiber sources, such as fruits, vegetables, and whole grains, while also ensuring an adequate fluid intake.

Overall, smaller and more frequent meals are recommended for Anne during her seventh month of pregnancy to alleviate heartburn and constipation. It helps prevent excessive stomach pressure and promotes regular bowel movements, contributing to her overall comfort and well-being. However, it's always advisable to consult with a healthcare professional for personalized recommendations based on individual circumstances.

Thus, the correct option is B.

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Answer:

70%

Explanation:

Answer:

70%

Explanation:

About 70% of the sun is made of hydrogen

Hope this helps:)

Answer:

1.LONG LEGS TO KEEP AWAY FROM THE LAND BECAUSE ITS REALLY HOT

2. SHORT FUR OR FEATHERS

3. LIGHT COLORED COATS TO KEEP THE SUN FROM REFLECTING OFF OF YOU SO THAT YOU AREN'T HOT

The term "trophic cascade" refers to changes in a food chain when energy is transferred from one organism to another.

When predators limit the density and/or activity of their prey, trophic cascades occur, enhancing the survival of the next lower trophic level.

Predators keep an ecosystem in balance, as highlighted by famous wildlife ecologist Aldo Leopold in the early nineteenth century. it powerful indirect interactions that have the ability to influence entire ecosystems.

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Answer:

Fat digestion begins in the stomach. Some of the byproducts of fat digestion can be directly absorbed in the stomach. When the fat enters the small intestine, the gallbladder and pancreas secrete substances to further break down the fat.

Answer:

b if wrong sorry

but I am sure answer is b

Answer:

D. decrease the amount of erosion along the hillside

Explanation:

When logging operations are conducted on a hillside near a river, the operations will decrease the amount of erosion along the hillside because the tree's root hold soil particles and does not allow them to erosion. We can see in many region that there is presence of vegetation on the bank of river or stream in order to prevent erosion of soil so that's why we can say that logging operations causes decrease erosion along hillside.

Answer:

to pass off their offspring

Explanation:

i'm not sure  about what your asking  

Answer:

The functional units of DNA that contain the instructions for making one or more proteins are genes.

A gene is the primary structural and functional element of heredity. Genes are made out of DNA. Some genes act as instructions for making proteins. However, many genes do not encode proteins. A human gene can range in size from a few hundred DNA bases to over 2 million bases. The Human Genome Project, an international research effort to unravel the human genome's sequence and catalog its genes, estimates that humans have between 20,000 and 25,000 genes. Every person possesses two copies of each gene, one from each parent. Most people in the human population have the same genes, although a small group of genes slightly varies from person to person. Alleles are genetic variants with slight differences in the DNA base sequence. These small differences have an impact on each person's unique physical traits.

The complete question is attached as an image.

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A short-term low-grade fever is an effective innate defense because it increases body temperature, which enhances the effectiveness of phagocytes. Hence , option D is correct .

A fever is a temporary increase in the body's temperature in response to an illness or infection. A low-grade fever, which is defined as a body temperature between 99.5°F (37.5°C) and 100.3°F (38°C), is a common symptom of many infections and illnesses. A fever is typically classified as either low-grade or high-grade based on the severity and duration of the fever. A low-grade fever is an effective innate defense because it increases body temperature, which enhances the effectiveness of phagocytes. Phagocytes are a type of white blood cell that engulfs and destroys pathogens in the body. Higher body temperatures activate phagocytes, allowing them to better combat infections and illnesses.

Therefore, option D is the correct answer: It increases body temperature, which enhances the effectiveness of phagocytes.

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Answer:

adjectives

Explanation:

*sigh*

Answer:

Phenotypes

Explanation:

I took the test

Answer:

Please read below:

Explanation:

1. Expansion of food sources: Roe deer are adapted to browse on a variety of food sources, and an increase in the availability of these food sources could have allowed them to expand their range.

2. Predator control: Roe deer are preyed upon by a variety of predators, including wolves and lynx. If the number of these predators has been reduced, this could have allowed roe deer to expand into new habitats.

3. Climate change: Changes in climate could have allowed roe deer to move into new areas with more suitable temperatures and precipitation levels.

4. Human activity: Human activities such as deforestation, agricultural development, and urbanization could have created new habitats that are suitable for roe deer.

Answer:

A) True.

Explanation:

Capillaries then lead into small veins. Small veins lead to larger and larger veins as the blood approaches the heart. Valves in the veins keep blood flowing in the correct direction.

Hope it helps!

Penguins live primarily in the Southern Hemisphere. The tiny blue penguins can be found in Australia and New Zealand, while the majestic emperor penguins can be found in Antarctica and the king penguins can be found in many sub- Antarctic islands.

Answer: B

If the claim of the herbal supplement is true, a possible mechanism by which it may act as a supplement by inhibiting the production of tumor suppressor proteins.

If the herbal supplement is working correctly it will not allow for the survival and proliferation of precancerous cells, that can eventually develop into cancerous cells. It will act for stopping the division of cells further into the cancerous counter parts.

Also,  it is truly worthy  to note that claims of ant this kind of supplement that state for curing cancer should be viewed with critical thinking and scientific inquiry, and systematic research on various type of patients is also very necessary in order to justify those claims.

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Answer:

c

Explanation:

by attaching a covering to reduce the amount of oxygen entering the device

Organisms that are not examples of an adaptive radiation are those that did not undergo rapid speciation and diversification to fill ecological niches in a relatively short period of time. Based on this definition, option A (mammals and reptiles in the post-dinosaur age) and option C (horses and deer in the post-dinosaur age) are not examples of adaptive radiations as they evolved over a longer period of time and did not experience a sudden burst of diversification.

Option B (honeycreeper songbirds of the Hawaiian islands) and option D (Anolis lizards of the Caribbean) are examples of adaptive radiations as they underwent rapid diversification to fill ecological niches in their respective island habitats.

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