Was the cell discovered before or after the Columbus discovered the New York ?

What food can provide the body with a quick source of the energy needed to carry out cell functions (a) whole grain bread (b) ground hamburger (c) vegetable oil (d) whole milk

Which of the following is an example of a tissue on the digestive system a.the stomach b.smooth muscle that lines the stomach c.nerve cells in the stomach d. enzyme molecules in the stomach

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment