Q.

The coral reefs are the marine counterparts of –

A. Temperate forests
B. Tropical rain forests
C. Savannahs
D. Scrubland
Answer» B. Tropical rain forests
Explanation: The term "coral reef' generally refers to a marine ecosystem in which the main organisms are corals that house algal symbionts within their tissues. These ecosystems require: 1) fully marine waters; 2) warm temperatures; and 3) ample sunlight. They are therefore restricted to shallow waters of tropical and subtropical regions.
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