Across
- 1. A system made up of living organisms and their physical environment
- 3. A group of organisms of the same species living in the same area
- 5. Living components of an environment such as plants, animals and microorganisms
- 6. A poisonous substance that can harm living organisms
- 9. An animal that eats both plants and animals
- 10. A group of organisms that can reproduce to produce fertile offspring
- 14. A network of interconnected food chains
- 16. An organism that eats producers (usually plants)
- 18. All the different populations of organisms living together in one area
- 20. An organism that makes its own food usually using sunlight
- 22. A process where harmful substances build up in organisms over time
- 23. An organism that hunts and eats other organisms
Down
- 2. The position an organism occupies in a food chain
- 4. Non-living components of an environment such as light, temperature and water
- 7. The role of an organism in an ecosystem including how it feeds, lives and interacts
- 8. A diagram showing a single pathway of energy transfer between organisms
- 11. The process by which plants make glucose using light energy
- 12. An organism that gets energy by eating other organisms
- 13. The main source of energy for most ecosystems
- 15. An organism that is hunted and eaten by another
- 17. Everything surrounding an organism including living and non-living factors
- 19. An animal that eats other animals
- 21. The natural place where an organism lives