Across
- 2. animals which are fed milk produced by their mother and are not born from an egg
- 3. the wild in nature, without people’s interference
- 4. under threat of not existing anymore; dying out
- 6. endangered facing an extremely high risk of extinction without human help
- 8. out disappeared completely
- 10. different types of animal species that exist
- 12. the destruction of forests by cutting down trees
- 13. animal or plant remains preserved in rock for a very long time
- 16. capturing and killing animals illegally
- 17. animals that lay eggs and use the sun to keep their bodies warm
Down
- 1. habitat region in which animals or plants normally live
- 3. effects or influences
- 4. the situation where something doesn't exist any more
- 5. member of the group of animals including monkeys, apes and humans
- 7. reefs underwater areas made of a rock-like substance created by small sea animals
- 9. something which happens suddenly and with a very obvious effect
- 11. a type of scientist who studies animals
- 14. set of animals or plants that are similar to each other and can breed together
- 15. hard, pointed part which grows on top of an animal’s head
