Ecosystems - definitions

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

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