Across
- 4. food molecules that are broken down by enzymes
- 9. energy that you need to perform body functions
- 11. contain carbon and hydrogen
- 12. environmental factors and interspecies relationships that influence the species
Down
- 1. sugar
- 2. feeds on dead material, especially plant detritus
- 3. breaking down glucose
- 5. carbohydrate that makes up plant cell wall
- 6. removal of food
- 7. 1,000
- 8. mass living organism in a given area
- 10. unit of mass