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Luba_88 [7]
2 years ago
6

The changes that occurred in Yellowstone National Park after all of its wolves

Biology
1 answer:
Nataly_w [17]2 years ago
8 0
It would be B. A keystone species. Keystone species play important roles in ecosystems and when they are removed this can make an entire habitat collapse
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3 years ago
Which of the following choices is NOT considered an environmental stressor?
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Answer:

c. cancer

Explanation:

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When is a hurricane considered to have made landfall?
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C4 plants occur more commonly in desert conditions because _____. a. they can fix carbon at the lower CO2 concentrations that de
ahrayia [7]

Answer:

a. they can fix carbon at the lower CO2 concentrations that develop when the stomata are closed

Explanation:

C4 plants are those that have the capacity to fix CO2 even when a tiny concentration of it is available.

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The correct option is a.

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