Across
- 3. a network of interconnected food chains
- 6. the role an organism plays in its environment
- 8. an animal that hunts and eats other animals
- 13. an animal that eats both plants and animals
- 14. competition between members of different species
- 20. an organism that lives in very harsh conditions
- 21. competition between members of the same species
Down
- 1. the way organisms rely on each other for survival
- 2. when organisms fight for the same limited resource
- 4. an organism that lives on or in another organism and harms it
- 5. a relationship where both organisms benefit
- 7. an animal that only eats plants
- 9. an animal that eats other animals
- 10. an adaptation that helps organisms blend in with their surroundings
- 11. an area defended by an animal or group of animals
- 12. living factor that affects organisms (e.g. food, predators)
- 15. a characteristic that helps an organism survive in its environment
- 16. non-living factor that affects organisms (e.g. temperature, light)
- 17. a relationship where one benefits and the other is unaffected
- 18. an animal that is hunted and eaten by predators
- 19. the part of the Earth where living things exist