Gland is the answer you are looking for
Variation,inheritance,selection,time
The answer think the answer is B) using the fluorescent gene of a firefly.
Respiration is the transformation of glucose to ATP, which is energy that the body can use.
Respiration consists of several steps: glycolysis, TCA/Krebs/Citric acid sycle and at last the oxidative phosphorylation.
The molecules needed for this to happen is water, oxygen (O2), NADH, ATP and glucose.
I think it’s a ecosystem but I’m not completely sure!, give me a sec to search
