Across
- 3. a producer which provides it's own food
- 9. an organism that does not make it's own food
- 11. process used by plants to produce oxygen and carbohydrates
- 12. shows the transfer of energy through different trophic levels
- 14. _____ Law of Thermodynamics states that energy can not be created or destroyed
- 15. respiration process used by cells to form carbon dioxide and water
- 16. gradual replacement of the species in an area or community
- 18. what percentage of energy is transferred to the next trophic level
- 20. shows the energy transfers through the feeding patterns of organisms
- 22. a living thing that only consumes plants
- 23. ______ community is the final group of plants and animals at the end of the succession process
- 24. ______ Law of Thermodynamics says that energy conversions are not always completely effective
- 25. ______ cycle is the process where carbon is cycled through the atmosphere, land and organisms
Down
- 1. _______ species are the first organisms to begin the process of succession
- 2. _______ consumer is the last energy transfer in a single food chain
- 3. these can be caused by the over use of man-made fertilizers
- 4. _______ consumer is the first organism to eat another organism in a food chain
- 5. an animal that only eats other animals. example: Lion
- 6. an organism that creates energy from chemicals
- 7. autotrophs can also be called these
- 8. __________ cycle occurs slower than the nitrogen and carbon cycles
- 10. the energy pyramid is composed of these levels
- 13. organism that gets it's energy by breaking down dead organisms
- 16. _________ consumer eats the primary consumer in a food chain
- 17. animal that eats both plants and other animals
- 19. this type of succession occurs on a surface that has not yet supported an ecosystem
- 20. shows all the possible energy transfers in a certain environment
- 21. ________ cycle is the movement of nitrogen throughout our atmosphere, land and organisms