Across
- 2. a model representing the many interconnected food chains and pathways in which energy flows through a group of organisms
- 3. An animal that eats both plants and animals
- 4. An organism that breaks down and obtains energy from dead organic matter
- 8. A consumer that eats only plants.
- 10. Plants use the sun's energy to convert water and carbon dioxide into sugars
- 11. Only 10% of the energy from one level can move to the next.
- 12. consumer that feeds directly on producers; the first eater.
- 14. An organism that obtains energy by feeding on other organisms; also known as a heterotroph
- 15. An organism that makes its own food; also known as an autotroph
Down
- 1. An organism that eats secondary consumers; the third eater.
- 5. Each step in a food chain or food web
- 6. An organism that eats primary consumers; the second eater.
- 7. A consumer that eats only animals.
- 9. Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates
- 13. A series of steps in which organisms transfer energy by eating and being eaten
