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DAT > World Biomes > Flashcards

World Biomes Flashcards

1
Q

Desert

A 
Less than 10 in rain/yr
Small plants and animals
Conserve water, live in burrows
Few birds and mammals
Sahara, Gobi
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2
Q

Desert

A
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3
Q

Grassland

A 
Low rainfall 10-30 in/yr
No shelter
Animals with long legs, hooves
Bison, antelope, cattle, zebra
Prairies
Steppes of the Ukraine, Pampas of Argentina
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4
Q

Rainforest

A

Torrential rains
Tropical - High temp, Temperate - low temp
Dense vegetation that does not shed leaves
Vines, epiphytes (plants growing on plants), monkeys, lizards, snakes, birds
Trees close - no sun on floor
Saprophytes

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5
Q

Temperate Deciduous Forest

A

Cold winters, warm summers, moderate rain
Beech, maple, oak, willow (shed leaves)
Deer, fox, woodchucks, squirrels, birds

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6
Q

Temperate Coniferous Forest

A

Cold, dry
Mainly trees that do not lose leaves - fir, pine, spruce
Water conservation - needles
Largest Biomass of any terrestrial biome (big trees)
Beavers, bears, sheep, squirrels, birds

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7
Q

Taiga

A 
Less rain than Temperate
Long cold winters
Trees do not lose leaves - Spruce
Soil w/ moss and lichens
Moose and deer - bears, wolves, rodents, birds
EXTREME NORTH CANADA RUSSIA
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8
Q

Tundra

A 
Treeless, frozen plain
B/n taiga and ice sheets
Permafrost
V. short summer (growing) = marsh
Lichens, moss, polar bears, musk oxen, artic hares
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9
Q

Polar

A

Ice caps
No vegetation
Penguins, polar bears
Little precipitation ~ desert

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10
Q

How would the biome change with increasing altitude?

A 
Determined by temperature and rainfall
Temperate deciduous (bottom)
Temperate coniferous
Taiga
Tundra
Polar (top)
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11
Q

Are marine or terrestrial communities more stable?

A

Marine - less variation in environment

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12
Q

Neritic zone

A

On continental shelf
Up to 600 ft deep
Algae, crab, crustacean, fish

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13
Q

Grassland

A 
Low rainfall 10-30 in/yr
No shelter
Animals with long legs, hooves
Bison, antelope, cattle, zebra
Prairies
Steppes of the Ukraine, Pampas of Argentina
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14
Q

Rainforest

A

Torrential rains
Tropical - High temp, Temperate - low temp
Dense vegetation that does not shed leaves
Vines, epiphytes (plants growing on plants), monkeys, lizards, snakes, birds
Trees close - no sun on floor
Saprophytes

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15
Q

Temperate Deciduous Forest

A

Cold winters, warm summers, moderate rain
Beech, maple, oak, willow (shed leaves)
Deer, fox, woodchucks, squirrels, birds

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16
Q

Temperate Coniferous Forest

A

Cold, dry
Mainly trees that do not lose leaves - fir, pine, spruce
Water conservation - needles
Largest Biomass of any terrestrial biome (big trees)
Beavers, bears, sheep, squirrels, birds

17
Q

Taiga

A 
Less rain than Temperate
Long cold winters
Trees do not lose leaves - Spruce
Soil w/ moss and lichens
Moose and deer - bears, wolves, rodents, birds
EXTREME NORTH CANADA RUSSIA
18
Q

Tundra

A 
Treeless, frozen plain
B/n taiga and ice sheets
Permafrost
V. short summer (growing) = marsh
Lichens, moss, polar bears, musk oxen, artic hares
19
Q

Polar

A

Ice caps
No vegetation
Penguins, polar bears
Little precipitation ~ desert

20
Q

How would the biome change with increasing altitude?

A 
Determined by temperature and rainfall
Temperate deciduous (bottom)
Temperate coniferous
Taiga
Tundra
Polar (top)
21
Q

Are marine or terrestrial communities more stable?

A

Marine - less variation in environment

22
Q

Intertidal zone

A

Exposed at low tide

Algae, sponges, clams, snails, sea urchins, starfish, crabs

23
Q

Neritic zone

A

On continental shelf

Up to

24
Q

Littoral zone

A

Intertidal + neritic

25
Q

Pelagic zone

A

Open seas

Divided into Photic and Aphotic

26
Q

Photic zone

A

Sunlit
Plankton (microscopic photosynthetic and heterotrophic), nekton (fish, sharks, whales)
Diatom (algae) is the main autotroph

27
Q

Aphotic zone

A 
No light
Only heterotrophs (no photosynthesis)
Cold, high pressure
Nekon, Benthos (crawling/sessile)
COMPETITIVE

DAT (4 decks)

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