Food Webs and Nutrient Cycles
Across
- 4. the process of turning from liquid into vapor.
- 6. where plants turn sunlight, water and carbon dioxide into food and oxygen
- 7. organism that can produce its own food.
- 10. the position that an organism occupies in a food chain.
- 12. movement of water above, on and below the surface of the earth
- 14. where organisms decrease at higher levels in a food chain due to less energy being passed up
- 15. an autotroph is also known as a ______
- 17. an organism that feeds on plants and animals
- 19. a heterotroph is also known as a ______
- 21. an organism that feeds on plants.
- 22. the organisms that eat primary consumers
Down
- 1. organism that takes nutrition from other sources of organic carbon.
- 2. rain, snow, sleet, or hail that falls to the ground.
- 3. how phosphorus is reused between soil, plants and animals through decomposition
- 5. how organisms get energy by eating other organisms.
- 8. an organism that breaks down dead organic material
- 9. process that breaks down food to release energy for living things
- 11. the organisms that eat the producers
- 13. an organism that feeds on animals.
- 16. process that moves carbon between plants, animals, and microbes
- 18. how nitrogen moves between air, soil,water and living organisms through natural processes
- 20. organisms being connected through food.