Sponges have
A) an exoskeleton.
B) a gastrovascular cavity.
C) a nerve net.
D) spicules.
E) muscles.
Correct Answer:
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Q24: Insects are members of the group
A) Echinodermata.
B)
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Q30: Which invertebrate animal group is characterized by
Q31: Ecdysozoans
A) have a body cavity that forms
Q32: A cnidarian that builds a calcium carbonate
Q33: Which cnidarian is the basis of many
Q34: A(n)_ provides support and protection to arthropods.
A)
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