Across
- 4. is a unicellular organism
- 7. humans respire
- 10. a long sharp tooth between the premolars of a mammal but mostly carnivores
- 11. cars,busses etc excretes smoke
- 13. animals that have more than one cell
- 14. lives inside or in the surface of a living thing
- 15. chain is a chain that shows how an animal gets its food
Down
- 1. is the movement of roots towards earth
- 2. animals that eat plants only
- 3. it is the movement of plants towards light
- 5. called producers
- 6. a physical act of taking in oxygen
- 8. Non-living things such as cars,busses etc need fuel
- 9. is touch
- 12. animals that lay eggs