Across
- 1. A ridge of rocks or sand, often of coral debris, at or near the surface of the water.
- 4. Non living factors of an environment.
- 6. All the living things in an area and the way they affect each other and the environment.
- 8. An organism that is able to manufacture their own food.(e.g. photosynesis)
- 10. A characteristic that helps an organism survive in its environment.
- 11. Living factors of an environment.
- 12. A plant or animal that another plant or animal lives on.
- 13. A relationship between two species in which one gets an advantage from living closely with the other and the other is not affected by it.
Down
- 2. The flow of energy from organism to organism in a series of feeding relationships
- 3. An animal that hunts, kills and eats other animals.
- 5. Organism that consumes both plants and meat.
- 7. Organism that must eat other organisms to get the energy and nutrients they need.
- 9. The air, water, and land in or on which people, animal, and plant live. The conditions that affect a plant or animal in a habitat.
- 13. The hard, variously coloured, calcareous skeleton secreted by certain marine polyps.