Across
- 3. cyclic movement of nitrogen in different chemical forms.
- 4. sequence which each organism is a source of nutrients or energy.
- 7. process in which producers change sunlight into chemical energy
- 9. organism that cannot produce its own food.
- 11. organism based on making or finding food & feeding behavior.
- 12. organism that mostly eats green plants or algae.
- 13. complex network of interconnected food chains.
Down
- 1. organism that mostly eats green plants or algae.
- 2. cyclic movement of carbon in different chemical forms from the environment to organisms.
- 5. water-saturated layers in which groundwater collects
- 6. precipitation that seeps into the soil and collects.
- 8. organism makes its food from compounds by using sunlight.
- 10. animals that feeds on primary consumers.