Biology Choice Board

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Across
  1. 2. the maximum population size
  2. 3. variety of the life on earth
  3. 5. is a threadlike structure of nucleic acid
  4. 8. the basic unit of life
  5. 9. where photosynthesis takes place
  6. 10. tough outer layer
  7. 12. The non-living things in a ecosystem
  8. 14. regulates the passage of substance in and out of the cell
  9. 16. stores and transfers energy within cells
  10. 18. a specific type of organism
  11. 19. a cell process that uses energy to move molecules.
Down
  1. 1. basically just carbs
  2. 4. a living thing in the ecosystem
  3. 5. the process by which cells develop
  4. 6. the process eukaryotes go through to make energy
  5. 7. uses photosynthesis to make it's own food and other organisms rely on it
  6. 11. process cells go through
  7. 13. interaction of individuals that compete
  8. 15. chromosomes that determine an individual's trait
  9. 17. has oxygen