The answer for this question is B
A cast<span> is a 3-D example of an object of the past created when a </span>mold<span> fills up with sediment like mud, sand or volcanic ash. </span>Fossils<span> can form when hard parts of a </span>fossil<span> are replaced by other minerals</span><span>.</span>
Answer:
They make proteins, They can float free or be connected to endoplasmic reticulum
According to evolutionary theory ,natural selection is linked to reproductive fitness, which is present only in the earlier part of adulthood.
<h3>What is evolutionary theory of aging?</h3>
Evolutionary theory of aging is a theory that state the reason there is increase in mortality with age. As person grow older, less lifetime fertility remains, Therefore, continued survival lead to a reduced. reproductive fitness.
Therefore, According to evolutionary theory ,natural selection is linked to reproductive fitness, which is present only in the earlier part of adulthood.
Learn more about evolutionary theory below.
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