Explain why two ATP must be used during the energy investment phase and describe what happens in the energy payoff phase. Identify the molecule present at the end of the process that stores the majority of the energy originally stored in the chemical bonds of glucose.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which units ate used to measure both velocity and speed? check all that apply

What pattern of migration do whales follow?