Explain the consequences for evolution if species did not vary

The compound that provides energy to living organisms atp adp

A vestigial structure in one organism can be defined as a reduced form of a functional structure in another organism.

Which has a higher specific heat capacity - water or sand? Explain.

1. Which mechanism requires energy to move materials? a. exocytosis b. osmosis c. diffusion of ions through potassium channel 2. Facilitated diffusion is a process that involves ___. a. the expenditure of energy as ATP b.

Smoking may lead to weight gain because it increases the body's capacity for physical activity. a. True b. False

Which is true regarding tolerable upper intake levels (uls) ?

Which cells quickly respond to produce antibodies on second exposure to the same antigen?

The difference in the concentration of a substance from one location to another is called a

Which statement is true about nitrogen and oxygen? A. They make up about 99.9% of the human body B. They are both used to make water molecules C. They are both made of protons, neutrons, and electrons. D. They both contain no subatomic particles

Time sensitive: What plants or herbs (or berries) calm snakes? need to know.