Answer:
Cellular respiration that proceeds in the absence of oxygen is anaerobic respiration. Cellular respiration that proceeds in the presence of oxygen is aerobic respiration. Anaerobic respiration evolved prior to aerobic respiration.
A. The connective tissues that protect the inside of the arteries and veins.
Answer:
1. Bureau of Land Management
2. US Fish and Wildlife Service
3.US Forest Service
4. Bureau of Land Management
5.National Park Service
Explanation:
