The definition of vestigial organs are rudimentary structures in humans
that correspond to a functional structure or organ in an ancestor.
Basically the answer is redundant organs present in an organism, which
have been functional in the organism's ancestors.
<span>The genetic term used to describe an observable trait is phenotype. More specifically phenotype is the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.</span>
Answer:
the nervous system uses electrical impulses to send signals through neurons, whereas the hormonal system uses chemical messengers transported into blood plasma to target cells.
Explanation:
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