Across
- 4. fuel derived from biological materials such as crops and animal waste
- 7. the degradation of biological potential of land
- 8. study of chemical and physical process of an animal
- 10. proteins capable of catalyzing reactions associated with specific substrate
- 14. act of urinating
- 15. chemical substance that provides nourishment for the body
- 16. a measurement of food energy
- 18. tall grass vegetation belts in hot areas
- 19. decayed organic matter used for fertilizing and conditioning land
- 20. soft, moist moss held between layers of cloth
- 21. all of the feed consumed by an animal
Down
- 1. a crop grown specifically with intent of marketing
- 2. study of body's need and mechanism
- 3. animals that eat both meat and plant
- 5. compounds composed of combinations of amino acids
- 6. short grass vegetation zones
- 9. the science of heredity and variation of inherited characteristics
- 11. having only one stomach
- 12. the largest of the ruminant fore- stomach
- 13. A pouch like structure at the beginning of the large intestine
- 17. hooved animals that have a rumen