Across
- 3. organism, single cell organism
- 6. the part of the cell that contains instructions to make the cell operate.
- 8. the outer layer of a plant cell
- 9. small infective agent that replicates itself inside a cell
- 10. substances that can be eaten to sustain life.
- 11. change into a different form
- 13. the breaking down of food and substances that can be absorbed and used by the body.
- 15. a clear jelly-like fluid inside a cell
- 16. a gas which animals, including humans need to survive
- 18. an illness that affects a living thing preventing the body from working normally
Down
- 1. food producing organelle found in plant cells that convert light energy into sugars
- 2. this is a single celled microorganism
- 4. a living organism which feeds on organic matter
- 5. the outer wall of an animal cell
- 7. these are basic units and building blocks of all living things
- 8. plants breathe this gas in and humans breathe this gas out
- 12. this converts food into energy
- 14. a living thing that grows in the ground that needs sun and water to survive
- 17. unusable or unwanted material
- 19. power required for sustained acivity