Vegetation that grows along the floors of tropical and temperate forests is called undergrowth. how is the undergrowth of a tropical rain forest most likely to differ from the undergrowth of a temperate forest? a. the undergrowth of a tropical rain forest most likely requires less sunlight. b. the undergrowth of a tropical rain forest most likely requires more sunlight. c. a tropical rain forest's undergrowth most likely experiences periods of dormancy during colder weather. d. a tropical rain forest's undergrowth most likely experiences periods of dormancy during rainy weather. bc

The undergrowth of tropical rain forest requires less sunlight.

Explanation:

Undergrowth is the vegetation that grows on the forest floor below large trees and plants. Tropical And temperate forests have a wide diversity of undergrowth.  Since undergrowth lies in shady forest floor they generally receive less amount of sunlight.

So the plants in the undergrowth can perform photosynthesis under low light conditions. The forest cover of tropical forest is denser than the forest cover of temperate forests. Thus the undergrowth of tropical forests receives less sunlight than that of temperate undergrowth.  

The undergrowth of tropical rain forest having adapted to less sunlight availability requires less sunlight for growth.

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