Question
For semester exam preparation, consider this situation: a reef-building animal contributes to a hard limestone structure in warm marine water. The correct conclusion is:
Correct Answer: D
corals secrete calcium carbonate skeletons
Many corals secrete calcium carbonate skeletons that build coral reefs over time. This ecological role makes cnidarians important in marine habitats. This MCQ belongs to the Cnidaria topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
Many corals secrete calcium carbonate skeletons that build coral reefs over time. This ecological role makes cnidarians important in marine habitats. This MCQ belongs to the Cnidaria topic in Animal Diversity-I and is written to test concept understanding rather than memorized wording.
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