Explanation: The biological fitness of an organism is dependent on its ability to survive and reproduce in a given environment. A trait that increases ability to survive, but makes an individual sterile, decreases fitness because the organism cannot produce offspring to carry on the trait.
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Answer: Most common diseases are a result of both your genes and your environment. Your environment can include personal choices, such as what foods you eat and how much you exercise, and external factors, such as stress, clean water, and air quality.
Explanation:
Each parent contributes one allele for this trait.
Answer:
She should use the example of "the wave" in stadiums to illustrate the idea of a nerve impulse.
Explanation:
"The wave" in a sport stadium is a good example to explain how a nerve impulse works because it shows how an action potential travels from one point to its destination making changes in the membrane potential that would be the equivalent of people standing up and sitting down to allow the next row to do the same to reach its final destination.
