Which of these structures is a covering for the gill chamber in ray-finned fishes?
A) a spiral valve
B) a lateral line system
C) an operculum
D) a swim bladder
Correct Answer:
Verified
Q20: Which lineage of Echinoderms is made up
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Q24: Which lineage includes living members associated with
Q28: According to the fossil record, which of
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Q95: Which lineage includes members called lancelets?
A) Cephalochordata
B)
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