What is artificial selection? A. When 60 percent of a species dies at one time
B. When humans breed an animal for a certain trait
C. When a new allele is formed by mutation
D. When extreme traits are selected by nature
SUBMIT

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.