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