Why does the moon have phases

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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

Why are lipids and proteins free to move laterally in membranes?