Across
- 5. made of Carbon, Hydrogen, oxygen, and Nitrogen
- 6. number of calories burned(at rest or throughout the day)
- 8. long chains of hydrocarbons; monomer of lipids
- 9. chemical reactions in the body's cells that change food into energy
- 11. animals with a backbone
- 15. feeds on dead organic material, especially plant detritus
- 16. mass of living organisms in a given area
- 17. monomer of nucleic acids
- 20. organism that eats meat
- 21. multiple monomers bonded together
- 22. sugars made up of Carbon, Hydrogen, and Oxygen
Down
- 1. single subunit of a macromolecule
- 2. carbohydrate that makes up plant cell wall
- 3. removal of undigested food material
- 4. organism that eats plants
- 5. bonds that hold amino acids together
- 7. store genetic information
- 10. hold molecules together
- 12. monomers of proteins
- 13. fats, oils, steroids, etc made of Carbon, Hydrogen, and Oxygen
- 14. environmental factors and interspecies relationships that influence the species
- 18. organism that eats plants and animals
- 19. animal that is caught and killed by another for food
- 20. interaction of organisms when both require the same limited resource