The behavior of an animal is strongly reinforced by electrical stimulation of the

Me with biology endocrine system crossword also image left i need with hw

During convection, less dense fluid rises and denser fluid sinks.

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.