Across
- 3. energy molecules
- 5. turn nitrate into gaseous nitrogen
- 8. carbohydrate that makes up plant cell wall
- 9. animals with a backbone
- 11. two sugar polymer
- 12. carbon based
- 15. additional digestion of plant material
- 16. bonds that hold amino acids together
- 19. sugar monomer
- 20. two or more monsaccharides
Down
- 1. inhaling oxygen and exhaling carbon dioxide
- 2. single subunit of a macromolecule
- 4. mechanical stomach of a bird
- 6. environmental factors that influence species
- 7. breaking down glucose to produce atp (energy)
- 10. carbs, lipids, and proteins
- 13. store genetic information
- 14. stores food temporarily and starts the digestion process
- 17. multiple monomers bonded together
- 18. mass of living organisms in a given area
