Answer:
If you're on EDGE 2021, it's NOT D.
I think it's A.
Coastal waters have about 26% of all biological diversity. This world of seabirds, clams, crabs, starfish, anemones, fish, kelp, and marine mammals, among many others, is a beautiful place with many different types of plants and animal communities.
Ants and bee's don't have a backbone, instead, in most cases, they have an exoskeleton.
Hope this helped:)
Secondary succession has soil when primary doesn't
I don't know if this helps Sorry if it doesn't I tried
