15. As the protons move down their concentration gradient in the electron
transport chain, what's happening with the electrons in the chain?
O A. They convert ADP to ATP
O B. They combine with oxygen to form water
O C. They take a phosphate group off ATP
O D. They split apart from oxygen

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

What best describes the structure of the declaration of independence?

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds? first generation y y y yy yy y yy yy second generation y y y yy yy y yy yy there is a % chance that the offspring will have green seeds.