Answer:in the third stage
Explanation: Aerobic respiration requires oxygen to breath in the third stage. In the third stage glucose molecule is the source of energy. Aerobic respiration occurs were cell use oxygen to convert glucose into energy. When you breath in,you breath in oxygen,when you breath out,you breath out carbon dioxide.
During cellular respiration,our body needs the oxygen we breath in,to get energy from the food we eat. cell uses oxygen to break down sugar.
The sperm start travels in the seminiferous tubules of the testes where spermatozoa are born, and then transport to the epididymis which sperm passes to the vas deferens and it ended at the utero-tubal junction where egg fertilizes in the fallopian tubes.
Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness.
Answer:
I think the answer is
C.they can burn or damage plants.
They provide better depth perception and peripheral vision.
