What evidence must be carefully examined to determine that organisms changed over time? A. Fossils
B. Soil type
C. Environment
D. Plate tectonics

Which is not a characteristic of bacteria? a. they are unicellular. b. they are prokaryotic. c. they are the smallest form of life on earth. d. they are multicellular.

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.

What will happen to the amount of food available as a pondwater ecosystem ages