A study has shown that Scotland's river otter population is increasing after falling

Biology

1 answer:

leva [86]2 years ago

3 0

Answer:

An otter's den is called a holt or couch.

Explanation: Otters are found almost all over the world and in many wet habitats, such freshwater rivers, lakes, oceans, coastlines and marshes. Most otters live in dens — built by other animals, such as beavers — that are dug into the ground that have many channels and dry inner chambers

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D. descriptive investigations

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Alpha Centauri is a distant star several light years away from the vicinity of the scientist.
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It is highly impossible to make comparisons and alter variable in this kind of investigation.

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