One benefit of animals living in a group are that they can stand up to other animals more easily. One cost is that they have to share food and resources.
Answer:
With alleles 'A' and 'a' there are three possible genotypes AA, Aa and aa
Explanation:
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The neuron releases chemical messengers. Otherwise, there would be no 'signal transduction' in the postsynaptic cell. So, your answer is B.
The troposphere is shallowest or narrowest at the poles, and deepest or thickest at the equator. At the geographic North and South Poles, the troposphere reaches only 4 miles high, while at the equator, it extends nearly 12 miles high.
Every offspring does not look alike they change with the generations