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