Topic 1 & 2

1. a structure made up of a group of tissues working together to do specific functions
5. chemical reaction that occurs in all living cells and involves transferring energy from sugar
7. the process by which get nutrition from raw materials using light
11. a living thing
12. organisms increase in size and mass by increasing their number of cells
14. a group of cells with similar structures working together to perform specific functions
15. a structure within a cell
16. the ability to be sensitive and respond to change in surroundings

2. production of new organisms
3. absorb light enrgy for photosynthesis
4. cells that contain unicellar organisms
6. the ability to mantain their internal conditions within a narrow range
8. system. a group of organs with related functions
9. cells that have multicellular organisms
10. the action by an organism or part of an organism causing a change of position & place
13. long thin cells found in upper layers of leaves.contains chloroplast for photosynthesis