What animal can sleep for 3 years? ?

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic

Why do we perceive objects as retaining their brightness under different lighting levels?

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.