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The cell
The Cell
| Term | Definition |
|---|---|
| Sensivity | An organism responds to changes in it's surroundings |
| Reproduction | The ability to produce new cells and therefore a new organism |
| Respiration | The ability to take in oxygen and release energy |
| Movement | The ability of an organism to move all parts of its structure |
| Nutrition | Is how a living organism obtains food |
| Growth | The increase in size of an organism |
| Excretion | Removal of waste from a cell and from the organism |
| Vertebrates | Animals with backbones |
| Invertebrate | Animals without a backbone |
| Cell | Is the smallest working unit of a living organism |
| Organelles | Are small structures in the cell that is surrounded by a membrane and has a specific function |
| Nucleus | Carries DNA and controls the inside of cell |
| Mitochondrion | Releases energy from nutrients |
| Cell membrane | Controls the movement of substances in and out of the cell |
| Cytoplasm | Is a jelly-like substance where chemical reactions happen |
| The vacuole | Contains a liquid called cell sap that stores food and keep the cell firm |
| Chloroplast | Is where the plant makes food using a called photosynthesis- contains chlorophyll |
| Cell wall | Is made of a tough substance called cellulose, which supports the cell |
| Unicellur | Living things made up of only one cell |
| Multicellur | Living things made up of many different types of cells |
| Tissue | Is a group of similar cells working together |
| Organ | Is a group of different tissues working together |
| System | Is a group of different organs working together |
| Organisms | Are living things made up of many systems |