The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs. For instance, digestive system organs cooperate to process food.
Answer:
Increase exponentially
Explanation:
The species of toads is being introduced to an environment that doesn't possess any real danger towards them this would end up increasing their population as they are not being killed.
Answer:
The answer is d
Explanation:
keratin is a protein molecule that is found in hair follicles fingernails and in some skin cells.
