| A | B |
|---|
| Organism | A living thing. |
| Cell | The smallest living thing that can carry out the basic processes of life. |
| Unicellular | A one-celled organism that carries out life processes. |
| Multicellular | An organism made from many cells. |
| Organelles | Basic cell structures that help them perform life processes. |
| Cell Membrane | A layer on the outside of the cell that controls what enters and leaves it. |
| Cytoplasm | A gell-like liquid that supports all of the cell's structures. |
| Nucleus | An organelle that controls all of the cell's activities |
| Mitochondria | Known as the "power plant", these break down food to release energy. |
| Vacuoles | A structure used for storage of water, food and wastes. |
| Cell Wall | Acovering on the outside of a plant cell providing it with strength and support. |
| Chloroplast | A plant cell organelle where energy from sunlight is used to produce food. |
| Chlorophyll | A chemical in chloroplasts that gives a plant its green color. |
| Tissue | When a group of cells work together for the same function. |
| Organ | A group of tissues that work together to perform a specific function. |
| Organ System | Organs that work together to perform a certain function. |
