Across
- 4. without any difficulty; easily
- 9. easily hurt or harmed
- 10. feeling sorry for someone
- 11. the natural home of an animal or plant
- 14. animals that feed milk to their young
- 17. to fall down suddenly
- 18. in danger of becoming extinct
- 20. to give something that is needed
- 22. very small living things, some cause disease
- 24. to put into a group
- 25. the soft part of an animal's body
- 26. to travel to learn about new places
- 30. a bald bird that eats dead animals
- 31. catching too many fish
- 32. to cause danger to someone or something
- 33. strong; able to live in difficult conditions
Down
- 1. an animal that eats dead animals
- 2. related to how living things relate to their environment
- 3. to break down naturally after death
- 5. to understand the value of something
- 6. animals like frogs that live in water and on land
- 7. animals like snakes and turtles
- 8. kept in a cage or zoo, not in the wild
- 12. wanting to have a lot of something
- 13. having no hair on the head
- 15. a group of similar animals or plants
- 16. the group of people who rule a country
- 19. to decide something surely
- 21. to decrease and reduce in number
- 23. the act of protecting nature
- 27. silly or funny
- 28. to try to do something
- 29. farm animals like cows and sheep