In a salt marsh, a fish eats decaying material from around the base of Spartina grass plants. A snail scrapes algae from the stalks of the Spartina grass. These species can coexist in the same area because they have:
A、The same habitat and the same niche.;
B、The same niche, but different habitat.;
C、The same habitat, but different niche.;
D、Different habitats and different niches.
发布时间：2025-07-26 01:08:57
