It's (B) A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct.
Answer:
Similarly, enzymes can only function in a certain pH range (acidic/alkaline). Their preference depends on where they are found in the body. For instance, enzymes in the intestines work best at 7.5 pH, whereas enzymes in the stomach work best at pH 2 because the stomach is much more acidic.
Answer:
It was the early day in Germ Theory contagious diseases were thought to be caused by fungi or bacteria.
Explanation:
He tried to promote his hypothesis as a law. He used a new experimental method to test his hypothesis
No, bigger organisms have more cells.