Primary succession occurs in essentially lifeless areas while secondary succession happens where there were previous communities
Answer:
1. food
2. glucose, ATP
3. oxygen, glucose
4. CO2
5. the Sun
6. Cellular Respiration
7. Carbon Dioxide
8. energy/ ATP
9. C6H12O6
10. Chloroplast, Mitochondria
11. Autotrophs, Heterotrophs
12. energy, ATP
Explanation:
Atom, cell, tissue, organ