Question

One body plan, called bilateral symmetry, represents a major branch point in animal evolution and can be described as __________.Hint: Most animals with bilateral symmetry have a "head end containing a brain. a. being a stationary Indlividual b. an animad.jthat is Idetical all around a central axis c. a body plan with only one way to split it into two equal halves-right down the midline d. resembling a pail

Answer 1

Answer: ( c) A body plan with only one way to split it into two equal halves- right down the midline .

Explanation:

This is one of many characteristics of mammals . They do have a body shape that are identical along an axis or plane, or midline called sagittal plane or plane symmetry. From this question, the answer is c., though the internal organs may not be distributed symmetrically.