Across
- 3. measure of the the capacity of a biological system
- 5. the ability to do work
- 6. the loss of water vapor from a plant
- 12. a community that includes plants and animals
- 13. the process of becoming a vapor
- 14. produce energy from sunlight
- 17. an animal that only eats meat
- 18. animals that eat both plants and animals
- 19. the higher levels in a food pyramid
- 20. absorption and creation of food resources
Down
- 1. obtain energy by the oxidation of electron donors
- 2. the act or process of reducing
- 4. an animal that eats plants
- 7. any form of water falling onto the earth
- 8. a non-living component of an ecosystem
- 9. organisms that break down dead matter
- 10. feeds on dead organic material
- 11. bacteria that have the ability to photosynthesize
- 15. plant materials and animal waste used as fuel
- 16. living components of an ecosystem