AnswersSC332 Environmental Science BSoil and Agriculture

Climate and Change in Ecosystems Answers

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1
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Which of the following could cause a habitat change?

A
introduction of an invasive species
B
a wildfire
C
a mudslide
D
all of the above
2
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Rising levels of carbon dioxide most likely

A
have a greater detrimental effect on the land than the sea.
B
have a greater detrimental effect on the sea than the land.
C
can increase productivity on the land and the sea.
D
can decrease productivity on the land and the sea.
3

Succession occurs when environmental factors affect an ecosystem change. Please select the best answer from the choices provided

A
T
B
F
4

Climate warming trends allow plant and insect species to inhabit larger ranges.

A
T
B
F
5

Environmental factors can cause various changes in ecosystems. Which of the following would most likely have the greatest lasting effect on an ecosystem?

A
a seasonal excess of fertilizer runoff
B
a disease among a population
C
change to the landscape from construction
D
seasonal drought
6

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Answer not available
7

How does change to an ecosystem that results in succession benefit the ecosystem?

A
it leads to an increased level of biodiversity
B
it leads to decreased productivity
C
it ends symbiosis between organisms
D
it allows ecosystems to operate independently of each other
8

Which scenario best describes how climate trends might affect animal migration?

A
Animals found in the Arctic may move south.
B
Animals found at the equator may move north.
C
Animals found in higher elevations will move to lower elevations.
D
Animals found in lower elevations will stay in the same location.
9

Fish populations and other aquatic resources are likely to be affected by changes in what aquatic factors?

A
water temperatures
B
disease
C
water quality
D
all of the above
10

Ecosystems have trouble adjusting to short-term changes.

A
T
B
F
11

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Answer not available
12

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13

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14

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15

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16

Climate changes can produce various effects in ecosystems. Which of the following is a way that marine ecosystems can be affected by climate warming trends?

A
decreased ocean acidity
B
increased populations of fish
C
decreased levels of carbonate
D
all of the above
17

Which of the following could cause a habitat change?

A
introduction of an invasive species
B
a wildfire
C
a mudslide
D
all of the above
18

Question is locked

Answer not available
19

How could climate change affect the ecosystems of the island nation of Samoa?

A
increased cyclone activity could damage land plants and coral reefs
B
increasing global temperatures could raise ocean levels and temperatures subsequently damaging aquatic environments
C
a and b
D
none of the above
20

Ecosystems have trouble adjusting to short-term changes.

A
T
B
F

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