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