How do beaver dams contribute to species diversity in the ecosystem?
a) provide access to food in winter
b) keep predators away from the ecosystem
c) provide a habitat for a variety of species
d) ensure that only beavers have access to water

The answer is:

C) provide a habitat for a variety of species.

Believe it or not, beaver dams actually help create a habitat for other species to live in. When a beaver creates a dam is creates a new pond where species can live in. In many cases beaver dams have also helped restore lost wetlands!

Hope this helps :)

the answer is c on e2020, bud.