1. Carbon dioxide. Water • Energy - Sugar • Oxygen 2. Sugar + Oxygen - Water + Carbon Dloxide + Energy

In the second reaction shown here (cellular respiration), which of these descriptions compares the products and reactants?

What types of energy transfers and energy transportations are involved in the domino chain reaction?

During binary fission, what events must occur before the cell splits into two new cells?

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.