Question
Tiny marine animals which constitute limestone skeletons are called
Answer: Option B
Answer: (b)
Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny animals found in marine waters that contain few nutrients.
Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups.
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Answer: (b)
Coral reefs are underwater structures made from calcium carbonate secreted by corals. Coral reefs are colonies of tiny animals found in marine waters that contain few nutrients.
Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups.
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