I think it might be A or the first one
D. Transformation
I’m in the same area of biology currently.
Answer:
Internal respiration occurs in the respiratory membrane of metabolizing tissue. Inside the mitochondria, cellular respiration, which produces energy in the form of ATP, occurs. Cellular respiration requires oxygen and carbon dioxide is produced as a waste.
Request: Please mark me as the Brainliest.
The endosymbiosis explains how eukaryotic cells may have evolved from prokaryotic cells.
