From an evolutionary perspective, true nerve cells are first seen in the phylum:
A) Porifera
B) Cnidaria
C) Ctenophora
D) Mollusca
E) Arthropoda
Correct Answer:
Verified
Q7: Figure 31-3 Q8: Which of the following is NOT a Q9: Which of the following is NOT an Q10: Figure 31-3 Q11: Where does digestion in a sponge takes Q13: Ctenophores capture food: Q14: The Portuguese man-of-war is a colony of Q15: Which of the following is characteristic of Q16: Most mollusks are: Q17: The body wall of cnidarians and ctenophores
A) with filter feeders
B) using
A) found in fresh water
B)
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