Across
- 2. An animal that hunts and eats other animals.
- 4. A substance added to soil to provide nutrients for plants.
- 7. An animal that is hunted and eaten by another animal.
- 8. An organism that makes its own food, usually a green plant.
- 11. All the organisms of the same species living in an area.
- 12. A series of organisms where each is eaten by the next.
- 15. The struggle between organisms for limited resources.
- 18. The movement of energy through a food chain or food web.
- 19. When organisms depend on each other for survival.
- 20. Nutrients absorbed from the soil that plants need to grow.
- 22. Tiny pores on leaves that allow gas exchange.
- 23. The place where an organism lives.
Down
- 1. The build-up of harmful substances in organisms along a food chain.
- 3. A feature or behaviour that helps an organism survive.
- 5. The process by which plants make food using light energy.
- 6. A lack of a mineral needed for healthy plant growth.
- 9. All the populations of different species living together in an area.
- 10. The surroundings in which an organism lives.
- 13. All the living and non-living things in a particular area.
- 14. Organisms that obtain energy by eating other organisms.
- 16. The green pigment in plants that absorbs light for photosynthesis.
- 17. A network of interconnected food chains.
- 21. The role of an organism within its ecosystem.