A forest or jungle near the equator characterized by large amounts of rain and little variation in temperature, containing the greatest known diversity of organisms on Earth.

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The top foliage layer in a forest where some trees extend above surrounding trees. ( A in the photo)

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The layers of treetops that shade the forest floor ( B in the photo).

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A forest ( or biome) that is characterized by trees that shed their leaves in fall.

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A plant that uses another plant for support, but not nourishment.

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A region of evergreen, coniferous forest below the arctic and subarctic tundra regions.

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A forest community (or biome), characterized by cool, humid weather and abundant rainfall, where tree branches are draped with mosses, tree trunks are covered with lichens, and the forest floor is covered with ferns.

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A foliage layer that is beneath and shaded by the main canopy ( C in the photo).

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A treeless plain that is located in the Arctic or Antarctic characterized by very low winter temperatures; short, cool summers; and vegetation that consists of grasses. lichens, & perennial herbs.

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A plain full of grasses and scattered trees & shrubs; found in tropical and subtropical habitats and mainly in regions with a dry climate, such as East Africa.

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A region that has little to no vegetation, long periods without rain, & extreme temperatures; usually found in warm climates.

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A community (or biome) that is dominated by grasses, has few trees, characterized by cold winters and intermediate rainfall between that of a forest & desert.

(a)  

A type of vegetation that includes broadleaf evergreen shrubs and is located in areas with hot dry summers and mild wet winters.

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