Mountains formed by two colliding continents often contain marine —- rock

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?