Across
- 2. the biogeochemical cycle that describes the transformation and translocation of phosphorus in soil, water, and living and dead organic material.
- 4. a graphical representation of the relationship between the different living organisms at different trophic levels
- 6. only eats meat
- 10. the process that changes liquid water to gaseous water
- 11. are organisms that produce new biomass from inorganic resources
- 14. a system of interlocking and interdependent food chains.
- 17. a repeating cycle of processes during which nitrogen moves through both living and non-living things: the atmosphere, soil, water, plants, animals and bacteria
- 20. are consumers who depend on other sources for their food.
- 21. They eat primary producers—plants or algae
Down
- 1. the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
- 3. only eats plants
- 5. a deposit on the earth of hail, mist, rain, sleet, or snow
- 7. using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth
- 8. describes how energy and nutrients move through an ecosystem
- 9. those that predate upon primary consumers
- 12. The various steps in a food chain or ecological pyramid, at which the transfer of food (or energy) takes place from one organism to another organism
- 13. living thing that produces
- 15. eats plants and meat
- 16. breaks down dying things on the ground
- 18. it is how water reaches plants, animals and us
- 19. living thing that consumes what producers produce
- 22. the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere
