B. synapomorphy
A synapomorphy is a shared apomorphy that distinguishes a clade from other organisms.
A clade also known as monophyletic group, is a group of organisms that consists of a common ancestor and all its lineal descendants, and represents a single "branch" on the "tree of life".
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It would be C. Digestive.
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- Hannah ❤
As the baby grows and develops the cellular level rises. They grow in Length and in width!
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