concept of biomes Flashcards

1
Q

what is a biome

A

an area with a distinctive climate and vegitation

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2
Q

all the types of biomes

A

tundra
boreal forest
temperate deciduous
savanna
temperate grassland
desert
polar
rainforest

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3
Q

tundra

A

high latitudes
brief summers
cold winters
shrubs and mosses

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4
Q

boreal forest

A

high latitudes
short cool summers
long cold winters
coniferous trees
low growing moss and lichen

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5
Q

temperate deciduous

A

mid latitudes
distinct seasons
warm summers
mild winters
yearly rainfall
leaf abscission in winter

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6
Q

savanna grassland

A

between the tropics
distinct wet and dry seasons
900 mm of rainfall
35 degrees highest
15 degrees lowest

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7
Q

temperate grassland

A

more variation in temperature and rainfall
open grasslands with sparsely populated trees

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8
Q

deserts

A

200 mm rainfall
15-30 degrees N/S equator
diurnal climate
xerophytes – succulents

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9
Q

polar

A

cold and dry
complete darkness for several months of the year
short growing season of only 2 months

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10
Q

rainforest

A

2000 mm rainfall
equatorial climate
hot and wet yearly
distinct canopy layer

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11
Q

endermic species

A

species specifically adapted to live in that environment

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12
Q

factors that determine characteristics and location of biomes

A

climate
latitude
winds
air pressure

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13
Q

factor - latitude

A

radiation is more concentrated at the equator and more disperse at the poles
– latitude influences climate

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14
Q

factor - high and low air pressure

A

differences in temperature influence air pressures around the world
low pressure - warm air rises
high pressure - cold air sinks

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15
Q

factor - winds

A

continual transfers of wind maintain the pressure belts which create different climatic zones

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