Google it. Quickly write down some bullet points. Write a sentence per bullet point and then analyse each one
Answer:
one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
Explanation:
<span>Sensory systems provide information from outside the animal that, when integrated, shape behavior. Internal senses, such as hunger or fear, affect behavioral priorities. Motivation describes how animals make choices among possible behaviors, based on the strength of internal needs and sensory inputs.
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Some molecule can pass through but others cannot because they are too large to pass through. This is also called selective permeability.