In order for multicellular organisms to maintain homeostasis B. their organ systems must work together. So the answer is letter B. This is because in order for the body to maintain hemostasis, it has to maintain the body temperaturw in any weather and climate it will experience.
Without those parts, the cell wouldnt be able to perform its basic function and thus die
Im not positive but I think it's b or c
Answer:
it contains and protects the cell's DNA
Answer:
plant leaves contain openings called stomata, which allow the diffusion of gas exchange
