it's a summary of the number of individuals of each age in the population. Age structure is useful in understanding and predicting population growth. An understanding of population age structure is critically important to industries that harvest living organisms.
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Answer:
C
Explanation:
The water started out lower than 40°C.
<span>Mammals first appeared during the Cenozoic Era. The statement is true.</span>
She provided important evidence for the presence of JUMPING GENES.
She challenged existing concepts of what genes were capable of when she discovered that some genes could be mobile.
