Answer - Humans can do anaerobic and aerobic for cellular respiration.
Reasoning - Just like when we do intensity excercise our body will go into anaerobic since we work hard with little shortage of O2 which in turn acts like Cellular respiration since it's also exhibiting CO2. Also aerobic is when we have O2 enough to relive from going into anaerobe.
True if you are talking about an isotonic solution
Eventually, the feather colors will phase out.
Answer:No.
Explanation: It would be just about impossible to count all organisms in an ecosystem cause there would be so much to do. It would be un-human like to do something like that.