A) The theory has been postulated by Charles Darwin.
B) According to the theory coral polyps grow both in shallow and deep oceanic waters.
C) Fringing reef, barrier reef and atolls arc successive stages of coral reef development.
D) Reef building starts from submarine plate form.
Correct Answer: B
Solution :
Coral polyps are tiny, soft-bodied organisms related to sea anemones and jellyfish. At their base is a hard, protective limestone skeleton called a calicle, which forms the structure of coral reefs. Reefs begin when a polyp attaches itself to a rock on the sea floor, then divides, or buds, into thousands of clones. As per Darwin?s theory polyps grow only in shallow ocean water.
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