A ________ is an organism whose body cavity forms between the body wall and the digestive system.
A) sponge
B) protostome
C) hermaphrodite
D) deuterostome
E) nematode
Correct Answer:
Verified
Q4: Anemones have no:
A)endoderm.
B)mesoderm.
C)ectoderm.
Q5: In the animal kingdom, cephalization is:
A)development of
Q6: How many tissue layers are in the
Q7: The major difference between protostomes and deuterostomes
Q8: Which of the following animal phyla is
Q11: Which of the following characteristics is often
Q12: Which of the following characteristics is associated
Q12: Organisms that are radially symmetrical have_ embryonic
Q14: An arthropod embryo has _germ layer(s).
A) no
B)
Q14: All animals with tissues have:
A)symmetrical bodies.
B)bilateral symmetry.
C)radial
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