Across
- 3. parts of the land, sea, and atmosphere in which organisms are able to live.
- 6. group of similar cells performing a common function.
- 9. large collections of molecules.
- 11. storage areas of the cell known for mostly storing water and/or food.
- 13. shaped like a bean, this cell organelle helps take food and manufacture energy from it.
- 14. the main brain of the cell that contains most of the cell's DNA.
Down
- 1. jelly-like substance that makes up the matrix of the cell body.
- 2. large naturally occurring community of flora and fauna occupying a major habitat.
- 4. biological community of interacting organisms and their physical environment.
- 5. the green (in color) pigment found in chloroplasts where photosynthesis takes place.
- 7. an egg shaped body that appears green from all the chlorophyll they contain.
- 8. group of organisms or populations living and interacting with one another in a particular environment.
- 9. thin, intertwined pieces of DNA found in the cell's nucleus.
- 10. a structure inside the nucleus where RNA is transcribed.
- 12. group of tissues performing a common function.
