How could you estimate the total number of nests in florida

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

In which of the following relationships is one organism always benefited while the other organism is always harmed

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?