Across
- 2. – Related to the regions around the North and South Poles.
- 4. – A group of organisms that can breed and produce fertile offspring.
- 9. – A feature that helps an organism survive in its environment.
- 10. – Something that keeps heat in or out, like fur or fat in animals.
- 11. – A warty amphibian; some species are invasive in Australia.
- 12. – Sharp nails on the feet of some animals used for hunting or climbing.
- 14. – When something is made stronger or more dense by removing water.
- 15. – Soft hair that covers the bodies of some animals.
- 17. – The act of continuing to live, especially in difficult conditions.
- 18. – When organisms fight for the same resources like food or space.
- 19. – Liquid waste produced by the kidneys and excreted from the body.
Down
- 1. – A mammal that carries its young in a pouch.
- 2. – An animal that hunts and eats other animals.
- 3. – An animal that is hunted and eaten by another animal.
- 5. – A fast-growing plant often considered a weed in some countries.
- 6. – The natural home or environment of an animal or plant.
- 7. – A species that spreads rapidly and harms native species.
- 8. – A small dark fruit; also a plant considered invasive in Australia.
- 13. – Coloring or patterns that help an animal hide from predators.
- 16. – The biological process of producing offspring.