The new species come from old ancestors of the animals that were there, over time they slowly evolved, and they adapted to that new environment.
Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
Answer:Blue rays and octopus are more closely related
Explanation:
The major difference is that plants use vacuoles to store excess amounts of water, while animal cells do not. A plant standing up straight compared to a plant wilting over is a result of water capacity in the vacuoles
Answer:
The first bullet is theory
The second bullet is Law
Explanation:
A scientific law is an explanation of a tested hypothesis and a mathematical method.
I am not totally sure but I believe this is correct
