AP BIOLOGY

Detailed explanation-1: -The correct option is B canopy. The canopy looks like a roof over other plants in the forest. It is formed by the leaves of an individual tall tree or by a group of trees. It restricts the sunlight and rains from getting to the layers beneath it.

Detailed explanation-2: -The tall trees form a leafy roof called a canopy.

Detailed explanation-3: -The forest canopy is a structurally complex and ecologically important subsystem of the forest. It is defined as “the aggregate of all crowns in a stand of vegetation, which is the combination of all foliage, twigs, fine branches, epiphytes as well as the interstices (air) in a forest” (Parker, 1995).

Detailed explanation-4: -Canopy is the above-ground portion of vegetation in forests consisting of the tops of trees forming a kind of ceiling.

Detailed explanation-5: -The canopy, where more species live than anyplace else in the rainforest, is the denser layer of greenery about 20 feet thick formed by the next tallest trees. It acts like a roof over the rest of the rainforest. This roof is not, however, solid like the roof of a house.