+10 Points and Brainiest Match the items.

1. chlorophyll
2. oxygen
3. aerobic
4. amino acids
5. fermentation
6. stomate
7. ATP

gas produced in photosynthesis
oxygen present
green pigmented chemical
ADP + 1 high-energy phosphate
building blocks of proteins
leaf opening
no oxygen

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.