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Geography paper 3 > people and the biosphere > Flashcards

people and the biosphere Flashcards

1
Q

what is a biome

A

a large scale ecosystem

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2
Q

how does deforestation lead to river flooding

A

reduces the amount of water absorbed from the river by the trees

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3
Q

what are the characteristics of a tropical forest

A

hot all year (25-30)
wet all year (200-3000 mm)

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4
Q

what are the characteristics of tropical grassland

A

hot all year (25-35)
wet but with a dry season (500-1000 mm)

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5
Q

what are the characteristics of a desert

A

hot all year with cool nights (above 30)
low rainfall (250 mm)

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6
Q

what are the characteristics of a temperate grassland

A

hot in summer (25)
cold in winter (-40)
rain mostly in late spring early summer (500-900 mm)

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7
Q

what are the characteristics of a temperate forest

A

warm summers (18)
cool winters (5)
rain all year (1000mm)

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8
Q

what are the characteristics of a boreal forest

A

mild summers (10-20)
cold winters (below 0)
low rain mainly in summer (500 mm)

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9
Q

what are the characteristics of a tundra

A

cold most of the year (below 0)
mild summers (10)
low rain (250 mm)
short day light hours in winter

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10
Q

what problems may be created by human use of a rainforest

A

deforestation
taking away habitats of animals

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11
Q

what are the characteristics of a polar biome

A

below freezing all the time
all ice
low rainfall

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12
Q

whats the distinctive vegetation in a tropical rainforest

A

dense forest with several layers of trees
plants competing for light

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13
Q

whats the distinctive vegetation in a tropical grassland

A

tall grasses with some drought adapted shrubs and trees

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14
Q

whats the distinctive vegetation in desserts

A

plants are scarce and have water storing features
have extensive root systems

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15
Q

whats the distinctive vegetation in temperate grassland

A

short grasses with little trees and bushes

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16
Q

whats the distinctive vegetation in temperate forest

A

deciduous trees such as oak

17
Q

whats the distinctive vegetation in boreal forest

A

coniferous trees such as pine

18
Q

whats the distinctive vegetation in a tundra

A

very few plants
mainly mosses
trees are rare and stunted

19
Q

whats the distinctive vegetation in a polar biome

A

nothing but ice

Geography paper 3 (3 decks)

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