Question

Please it's for an exam and it 1 answer only

How are mountain ecosystems different from other ecosystems?
They host one ecosystem with a variety of plants.
They host three or more ecosystems where animals cannot live.
They host one ecosystem with a variety of wildlife.
They host three or more distinct ecosystems at different elevations.

Answer 1

They host three or more distinct ecosystems at different elevations

Step-by-step explanation:

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Answer 2

they host one ecosystems with a variety of wildlife