Across
- 2. the green pigment that uses light energy for photosynthesis
- 4. a relationship between living things that rely on one another for nourishment.
- 6. photosynthesis takes place in one of the small sections of a plant cell that contains chlorophyll
- 9. substances react and form new ones
- 10. potential for causing change
- 11. travels by waves or particals
Down
- 1. the process in which green plants create their own nutrients using sunlight
- 3. a group of atoms bonded together
- 5. a gas produced by the combustion of fuels
- 7. is a gas that is 21% of our atmosphere
- 8. an organism that eats other plants or animals for energy and nutrients
- 12. a community or collection of living organisms that share a environment and interact with one another.