Answer: its an interesting topic. its what brought us here and some animals.
Explanation:
cause
Exchange of nutrients occurs in the digestive system. Exchange of oxygen occurs in lungs
The right answer is the second one
Chroloplasts---it is important for a plant cell to have a chloroplast in order to create glucose.
<span>well i take this test before and the correct answer is :A They produce food by photosynthesis</span>
