Land Habitats Answers

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1
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Explain how water can be an abiotic environmental factor when it is essential to all life on earth.

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2
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Polar bears’ hair _______.

A
is transparent
B
is hollow
C
keeps them from getting wet
D
all of the above
3

Which hummingbird adaptation is most advantageous for supporting their high metabolism?

A
entering torpor
B
long beak and tubular tongue
C
ability to hover
D
migration
4

Explain the relationship between light intensity and the daily rhythm of flowers opening.

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5

The temperature stability of earth’s atmosphere is mostly due to _______.

A
the seasonal changes in day length
B
the rotation of earth about its axis
C
plant respiration
D
water in the oceans acting as a thermoregulator
6

Which of the following is a specialist species?

A
Giant Pandas
B
Horses
C
Humans
D
Rabbits
7

Which of the following are not biotic factors in a terrestrial ecosystem?

A
herbivore population
B
plants
C
rivers
D
soil bacteria
8

Compare the importance of both biotic and abiotic factors to an ecosystem.

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9

Explain why echolocation is a superior adaptation for insectivorous bats rather than fruit bats.

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10

How has the Gila Monster adapted to the breeding patterns of its prey the Gambel quail and desert cottontail rabbits?

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