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:
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Q6: Sea anemones, unlike scyphozoans, have a partitioned
Q7: Sponge larvae:
A)are miniature sponges that float about
Q8: Which of the following are in the
Q9: Most representatives of the phylum Porifera gain
Q12: Traditionally, the _ were assigned to the
Q13: Digestion in a sponge takes place in:
A)the
Q14: Within the phylum Cnidaria, corals are most
Q15: The Portuguese man-of-war belongs to the class:
A)CnidozoA.
B)ScyphozoA.
C)HydrozoA.
D)AnthozoA.
E)Cubezoa.
Q16: Although corals can capture prey, they also
Q17: The body wall of cnidarians and ctenophores
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