Identify an example of a Body Fossil below: Footprints

Bite Marks

Coprolites (Fossilized poop)

Bones

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

New york city has 2,181 inhabitants per square mile. the state of alaska has 1.03 inhabitants per square mile. ecologists would say alaska has a low exponential growth population density birth rate carrying capacity