Answer:
A. Biodiversity will decrease .
Explanation:
- The loss of a keystone species can cause extinction or mass destruction of other species that are dependent on it because keystone species are those species which significantly influence the existence and survival of other species in an ecosystem
- Since, beavers are considered as the keystone species, their removal from the ecosystem will cause loss of many other species in the ecosystem resulting in Decrease in the biodiversity of that ecosystem.
I think it's the simple columnar epithelium.
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A
Answer:
atmosphere -affecting the- biosphere
(I had this question a week ago.)
It is a 25% chance of both of them being heads.
