Across
- 4. An animal that eats plants and meat
- 6. Process where water is transferred from land to the air
- 10. Organism that uses light to produce organic material
- 12. A biological community
- 13. Bacteria that obtain energy through photosynthesis (commonly mistaken for algae)
- 15. An organism that decomposes organic material
- 17. An animal that only eats plants
- 18. Weight of organisms in a specific volume
- 19. Digestion of food or nutrients
- 20. An animal that eats dead organic material
Down
- 1. Process where water falls from sky in many forms
- 2. Base of most aquatic food webs
- 3. An organism that gets nutrition from other organic substances
- 5. An animal that eats only meat
- 7. An organism that produces organic compounds from carbon
- 8. An organism that consumes another organism
- 9. Organisms that get energy from inorganic molecules
- 11. Something that is not alive
- 14. Intake of oxygen and release of carbon dioxide
- 16. Process where water rises from oceans and lakes