Environmental Science Semester 1 Review

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Across
  1. 5. weak attraction between polar molecules
  2. 6. reproductive organ of plants
  3. 7. source of variation
  4. 9. process that provides energy in ecosystems
  5. 13. product of photosynthesis
  6. 14. Darwin's mechanism for evolution
Down
  1. 1. quick energy
  2. 2. one species in an area
  3. 3. model used to show ecosystem interactions
  4. 4. causes build up of lactic acid
  5. 6. process that makes a nutrient usable (nitrogen)
  6. 8. an organisms place in an energy pyramid
  7. 10. factors that are non-living in an ecosystem
  8. 11. type of tissue used for support in plants
  9. 12. monomers of proteins