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:
选项:
A:The same niche, but different habitat.;
B:The same habitat and the same niche.;
C:Different habitats and different niches.;
D:The same habitat, but different niche.
发布时间:2024-05-14 17:07:02