Across
- 2. A system with all biotic and abiotic factors together in an environment depending on each other for survival
- 5. A diagram showing energy flow in a chain
- 8. The position an organism occupies on the food web
- 11. An animal that eats other living organisms
- 13. An organism that must consume other organisms for nutrients
Down
- 1. An animal that eats only plants
- 3. Green pigment used in photosynthesis
- 4. Breaks down dead plants and animals for energy
- 6. Simple sugar made by plants
- 7. An organism transforms energy from the sun and uses carbon dioxide and water to make food
- 9. An animal that eats both plants and meat
- 10. A network of connected food chains, showing the flow of energy in an ecosystem.
- 12. The source of all life’s energy