Across
- 5. The process by which an organism forms carbohydrates using chemicals, rather than light, as an energy source
- 7. An organism that cannot make its own food
- 11. Step in a food chain or food web
- 14. Network of complex interactions formed by the feeding relationships amount the various organisms in an ecosystem
- 15. A consumer that eats both plants and animals
Down
- 1. The movement of abiotic factors between the living and nonliving components within ecosystems
- 2. Organism that feeds on plant and animal remains and other dead matter
- 3. A nonliving part of an ecosystem
- 4. An organism that makes its own food
- 6. A biological community of interacting organisms and their physical environment
- 8. Scientific study of interactions among organisms and between organisms and their environment
- 9. A living part of an ecosystem
- 10. Conversion of light energy from the sun into chemical energy
- 12. A substance that is limited or scarce in an ecosystem so its limits productivity
- 13. A series of steps in which organisms transfer energy by eating and being eaten
