Which element in the southwestern desert ecosystem is abiotic?

Environmental impacts on evolution : mastery test

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

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.