Which of the following characteristics is associated with all animals that are bilaterally symmetrical at some point in their life cycle?
A) Gastrovascular cavity
B) Cephalization
C) Coelom
D) Lack of organs
E) Mesoderm
Correct Answer:
Verified
Q15: One trend in the evolution of animals
Q16: In the animal kingdom, cephalization is
A) development
Q17: The skin and nervous tissues develop from
Q18: A cnidarian, which is radially symmetrical, has
Q19: All animals with tissues have
A) radial symmetry.
B)
Q21: The simplest multicellular animals that have only
Q22: Giant squids are classified as
A) echinoderms.
B) chordates.
C)
Q23: The currents of water (containing food) that
Q24: Insects are members of the group
A) Echinodermata.
B)
Q25: Which of these groups is characterized by
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