Sea cucumbers and sea urchins belong to the phylum
A) CnidariA.
B) Arthropoda.
C) Echinodermata.
D) Nematoda.
E) Mollusca.
Correct Answer:
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Q42: What was most key in the transition
Q43: Which is a characteristic of reptiles?
A) They
Q51: Which is a characteristic of the phylum
Q53: A tunicate is a(an)
A)invertebrate chordate.
B)vertebrate.
C)echinoderm.
D)amphibian.
E)fish.
Q55: A bony or cartilaginous structure that surrounds
Q56: Which is not a reptile?
A)bat
B)snake
C)crocodile
D)turtle
E)penguin
Q57: Birds are classified as
A) reptiles.
B) mammals.
C) amphibians.
D)
Q57: Which is a cartilaginous fish?
A)shark
B)tuna
C)salmon
D)lungfish
E)catfish
Q58: Which characteristic would exclude an animal from
Q59: A lancelet is a(an)
A)invertebrate chordate.
B)vertebrate.
C)echinoderm.
D)amphibian.
E)fish.
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