Ch. 6 Key Terms Flashcards

1
Q

biome

A

a large region characterized by a specific type of climate and certain types of plants and animal communities.

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2
Q

climate

A

weather conditions, such as temperature, precipitation, humidity, and winds, that occur in an area over a long period of time.

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3
Q

latitude

A

the distance north or south of the equator and is measured in degrees, with the equator equal to 0°

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4
Q

altitude

A

is the height of an object above sea level.

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5
Q

tropical rain forest

A

a forest or jungle near the equator that is characterized by large amounts of rain and little variation in temperature and that contains the greatest known diversity of organisms on Earth

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6
Q

emergent layer

A

the top foliage in a forest where the trees extend above surrounding trees

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7
Q

conopy

A

the layers of treetops that shade the forest floor

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8
Q

epiphyte

A

plants that uses another plant for support but not for nourishment

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9
Q

understory

A

a foliage layer that is beneath and shaded by the main canopy of a forest

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10
Q

temperate rain forest

A

Temperate rain forests have large amounts of precipitation, high humidity, and moderate temperatures, tree branches are draped with mosses and tree trunks are covered in lichens.The forest floor is blanketed with lush ferns

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11
Q

temperate deciduous forest

A

a forest that is characterized by trees that shed their leaves in the fall

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12
Q

taiga

A

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

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13
Q

savanna

A

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

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14
Q

temperate grassland

A

a community that is dominated by grasses, has few trees, and is characterized by cold winters and rainfall that is intermediate between that of a forest and a desert

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15
Q

chaparral

A

type of vegetation that includes broadleafed evergreen shrubs and that is located in areas with hot, dry summers and mild, wet winters

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16
Q

desert

A

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

17
Q

tundra

A

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

18
Q

permafrost

A

in arctic regions, the permanently frozen layer of soil or subsoil