It's Mutualism, since they share a mutual relationship
C. Oxygen and nutrients taken in by the respiratory system are transported to the circulatory system for transport around the entire body.
Also, B and D cannot be correct, as carbon dioxide is not wanted in the body (it's a waste product of respiration of the body cells)
Answer:
C
Explanation:
polymerase Chain Reaction PCR is your answer 100%
Heterotrophic bacteria can't create their own food,but it can obtain energy from carbohydrates and other organic materials
Answer:
A karyotype is an individual's collection of chromosomes.
Explanation:
