Desert and Desert-Scrub Biomes Flashcards

1
Q

How much of the Earth do deserts cover

A

1/5 of Earth’s surface

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2
Q

What causes deserts

A

extremely low rainfall

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3
Q

Temperature ranges in deserts

A

100+ degrees F and cool to the 40’s at night

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4
Q

Are most animals in deserts nocturnal or diurnal

A

nocturnal

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5
Q

What properties have plants in desert regions evolved

A

water-retaining properties

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6
Q

Where do arid deserts occur

A

N. America, S. America, Africa, and S. Asia

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7
Q

What is the climate in arid deserts like

A

hot and dry

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8
Q

Where do semi-arid deserts occur

A

N. America, Europe, Russia, and N. Asia

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9
Q

What is the climate like in semi-arid desserts

A

less dry and have more defined seasons

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10
Q

Temperature ranges in coastal deserts

A

moderately warm to cool temperatures

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11
Q

Seasons in costal deserts

A

short, cool winters and long, warm, summers

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12
Q

Precipitation in cold deserts

A

a moderate amount of snow and rain during summer

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13
Q

What is the soil like in cold deserts

A

heavy soil

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14
Q

What is the soil like in coastal deserts

A

sandy, porous soil

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15
Q

Most animals in cold deserts are………

A

burrowers

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16
Q

What is the ecoregion of the desert biome

A

desert scrub

17
Q

What is the prominent plant life of deserts

18
Q

Shrubs can be either ……….. or ………….

A

evergreen; deciduous

19
Q

Shrubs in the deserts have an extensive ……… and open network of ……….

A

root system; plants

20
Q

Which desert is known as the greatest desert

A

Sahara Desert

21
Q

The Sahara Desert is as big as the ……….

A

Unites States

22
Q

Sand dunes in the Sahara Desert can reach as high as …….

23
Q

What adaptations to the desert do organisms have

A

temperature regulation
metabolism
water loss

24
Q

How do organisms regulate their temperature

A

some have long ears with many blood vessels
fat storage in one area of the body
burrowing

25
How do organisms regulate their metabolism
hibernating
26
How do organisms regulate water loss
no sweat glands | salt glands
27
What special adaptations do major flora of the desert have
waxy coating to minimize transpiration | extensive root system
28
What are examples of flora in the desert
Barrel Cactus, Creosote, Saguaro
29
Vinegaroon
whip scorpion mimics actual scorpion arachnid
30
Where can the Vinegaroon be found
Southern US and Mexico
31
What does the Vinegaroon do when provoked
gives off a vinegar smelling odor