How many of the animal phyla include single-celled animals?
A) 0
B) 1
C) 2
D) 3
Correct Answer:
Verified
Q5: The first animals evolved from _.
A) colonies
Q5: Being a heterotroph means _.
A)making your own
Q6: Which of the following best describes sponges?
A)They
Q6: Which one of the following is a
Q7: What happened during the Cambrian explosion?
A)Many large
Q9: What do sponges and cnidarians have in
Q10: Which of the following best describes cnidarians?
A)They
Q10: Flatworms are most closely related to the
Q13: Which of the following best describes mollusks?
A)They
Q29: The echinoderms are most closely related to
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