Across
- 4. The process of inhaling and exhaling
- 5. Nutrients that provide energy and include sugars, starches, and fibers.
- 9. The process of change in all forms of life over generations.
- 10. Scientific name for the human species.
- 11. Biological catalysts that speed up chemical reactions.
- 16. The study of heredity and the variation of inherited characteristics.
- 17. Process of heating a liquid to kill bacteria and prevent fermentation.
- 18. Flexible connective tissue found in many parts of the body.
- 20. The variety of life in the world or in a particular habitat or ecosystem
Down
- 1. A disease caused by a deficiency of vitamin C.
- 2. Organ where food is digested.
- 3. The body's ability to maintain stable internal conditions.
- 6. A living individual
- 7. The process by which green plants make food
- 8. The process of cell division
- 12. A community of living things in conjunction with nonliving components in their environment.
- 13. Essential nutrients for the human body, made up of amino acids.
- 14. The involuntary constriction and relaxation of muscles in the digestive system.
- 15. The basic unit of life.
- 19. Enzyme that helps in the digestion of carbohydrates.
- 21. Genetic material that carries hereditary information.
