Explanation:
photosynthesis and cellular respiration is performed by all organism
its d because if you get rid of trees then your gettign rid of homes and its increses soil erosion from there being no roots of trees decresed biodiversty form the lack of homes and decresed quality of air because theres no trees to make oxygen
What’s the rest of the question??
Food because it gives you energy and warmth, blubber (what seals have), and fur