please help this is due next week and I cant seem to find any sources to my question so please help Why are bones often studied when trying to determine the origins of bird?

Using the periodic table, determine which material is most likely a good conductor

How do cells grow and reproduce to maintain homeostasis?

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