Seagrasses are flowering plants which grow in the photic zones of marine environments. which factor would be abiotic limiting factor for seagrass growth? a) water temperature b) amount of available sunlight c) density of the animal population eliminate d) concentration of dissolved nutrients

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

Variety of living organisms; includes genetic, species, and ecological types.

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent