When blood is in the lungs,
where oxygen is plentiful, oxygen easily binds to the first subunit and then quickly fills up the remaining ones. Then, as blood circulates through the body, the oxygen level drops while that of carbon dioxide increases. In this environment, hemoglobin releases its bound oxygen.
I apologize in advance if this is incorrect but what I was taught is that the correct answer is gather data to design a recovery plan.
Answer:
Plant as a biotic component needs sunlight an abiotic component to photosynthesize
converting food into smaller molecules