Cells

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

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