Which of the following characteristics is associated with all animals that are bilaterally symmetrical at some point in their life cycle?
A) Coelom
B) Cephalization
C) Lack of organs
D) Gastrovascular cavity
E) Mesoderm
Correct Answer:
Verified
Q1: A multicellular organism that lacks cell walls
Q3: A _ is an organism whose body
Q5: The only animals that lack tissues are
A)
Q6: Between the organs and the body wall,
Q7: The common ancestor of sponges and other
Q7: How many tissue layers are in the
Q10: Which of the following animal phyla is
Q11: The major difference between protostomes and deuterostomes
Q12: Organisms that are radially symmetrical have_ embryonic
Q14: An arthropod embryo has _germ layer(s).
A) no
B)
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