Across
- 4. controls what enters and leaves the cell
- 6. non-living factor in an ecosystem
- 7. used to hold slides down on microscopes
- 9. used to protect clothes
- 10. diffusion of water
- 13. specific type of compound
- 14. group of different tissues
- 15. maximum amount of organisms an area can support
- 18. anything composed of atoms
- 19. a group of similar ecosystems
- 20. a chain of monomers
Down
- 1. used to protect your hands
- 2. what phylum are mollusks in
- 3. makes plants green
- 5. stomach of the cell
- 8. wear to protect the eyes
- 11. used to measure time
- 12. used to measure bacteria in
- 16. cycle of carbon
- 17. subunits of this are amino acids