Why Would Rapid Change in Climate Potentially Lead to Ecological

Why would rapid change in climate potentially lead to ecological problems?

A) Evolution is unlikely to occur quickly enough to keep pace with biome changes.
B) Animals don't migrate fast enough.
C) Most biome shifts lead to rainforest formation and shading out of native plants.
D) Water availability will decrease, driving aquatic species extinct.
E) All of the answer choices are correct.