Question

Which is the independent clause in the sentence?

The animals that live in tide pools must adapt to environmental extremes so that they can survive in the unusual habitat.

A.
that live in tide pools

B.
so that they can survive

C.
the animals must adapt to environmental extremes

D.
they can survive in the unusual habitat

Answer 1

C seems right. It is an independent clause (has subject and verb),
could be a sentence on its own.