Answer:
C. 30 -40
Explanation:
90% edge
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If one population, such as lets say a hawk decreases the niche, or the importance of an animal or its effect in the ecosystem, on the mice. the mice population increases. or it can be lets say plants and bugs, the lady bug goes away and the other bugs eat the plant
Answer:
Oils repel water, so it helps these animals keep their fur dry, which helps them stay warm.