Across
- 3. / (nouns pl.) animal's mouth and teeth
- 4. / (adjective) so it can cut easily
- 6. / (noun) a dangerous water reptile with thick skin
- 7. / (noun pl.) different types of something
- 8. / (adjective) not living anymore
- 10. / (adjective) so it often attacks people or other animals
- 12. / (adjective) not afraid
Down
- 1. / (noun) an African bird that helps big animals by eating their parasites
- 2. / (noun) a small insect or worm that lives in other animals and drinks their blood
- 5. / (adjective) that lived many millions years ago
- 9. / (noun) a home of many animals that lay eggs
- 10. / (noun) a small insect that lives in colonies in the ground
- 11. system / (noun) what people and some animals that live in groups have so they can live together