An Accurate Contrast Between Radial and Bilateral Symmetry Among Animals

question 42

Multiple Choice

An accurate contrast between radial and bilateral symmetry among animals is that

• A) mirrored arrangement of body components is common with radial symmetry, but not found at all in bilateral symmetry.
• B) body components are arranged around a central axis in radial symmetry, but are arranged with a distinct left and right in bilateral symmetry.
• C) radial symmetry only occurs in round organisms like the sponges, while bilateral symmetry is common to all of the more complex animals.
• D) animals with radial symmetry demonstrate cephalization, while those with bilateral symmetry do not.
• E) radial symmetry is characterized by the animal having a coelom, while bilateral symmetry has no coelom in the animal body.

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