Answer:
Yes a population can only handle a certain amount of people .
Explanation:
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A. To understand the nature of an experimental subject
Answer:
b) false
Explanation:
The given statement is false. the selection process used by the rancher is an example of artificial selection and not natural selection.
Artificial selection is defined as the selection process done by humans on the basis of desirable characters while in natural selection the selection is based on the adaptive characteristics of animals. In the given example rancher choses a desirable character of chicken that lays more eggs.
Hence, the given statement is "false".
Because it can cause some very bad cramps in the stomach
Answer:
Proteins, carbohydrates, nucleic acids, and lipids are the four major classes of biological macromolecules.
Macromolecules are made up of single units known as monomers that are joined by covalent bonds to form larger polymers.
Explanation: