AP BIOLOGY

ECOLOGY

BIOMES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Biomes with densely packed trees sometimes form a continuous green “roof” layer called a:
A
canopy
B
ceiling
C
green layer
D
forest top
Explanation: 

Detailed explanation-1: -The tropical rainforest is a hot, moist biome where it rains all year long. It is known for its dense canopies of vegetation that form three different layers. The top layer or canopy contains giant trees that grow to heights of 75 m (about 250 ft) or more.

Detailed explanation-2: -The forest biome, then, includes the most different types of life form, but it is dominated by trees, which together form continuous coverage. 4. There are many types of forest, depending on locality.

Detailed explanation-3: -An estimated 50-90 percent of life in the rainforest exists in the trees, above the shaded forest floor. Primary tropical rainforest is vertically divided into at least five layers: the overstory, the canopy, the understory, the shrub layer, and the forest floor.

Detailed explanation-4: -TEMPERATE FOREST: dense forest with thin, broad, deciduous leaves; or rainforests typically dominated by conifers. Tall trees with single boles creating deep shade. Understories often sparse. Typical plants include maples, oaks, elms (deciduous) spruce or auraucaria (rainforest).

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