| Term | Definition |
|---|
| Organism | All individual forms of life that use energy to carry out the activities of life. |
| Unicellular | Organisms that are one single cell. |
| Tissue | A group of similar cells that are organized to do a specific job. |
| Eukaryotic Cell | In this, the DNA is kept in the nucleus, which is enclosed by its own membrane. |
| Chloroplasts | An organelle in a plant cell that uses the energy from sunlight to make sugar. |
| Specialization | When a cell and its organelles are organized to allow it to do a specific job. |
| Mitochondria | An organelle that releases stored energy, which comes mostly from sugars. |
| Organelle | Scientists use this word for any part of a cell enclosed by a membrane. |
| Cytoplasm | The gelatinlike fluid within the cell membrane where most of the work. |
| Microscope | An instrument that uses glass lenses to magnify an object. |
| Multicellular | Organisms that are made up of many cells. |
| Cell Membrane | A protective covering that encloses the entire cell. |
| Cell Wall | A tough outer covering that lies just outside the cell membrane in a plant cell. |
| Nucleus | The brain of the cell that tells the rest of the cell what to do. |
| Organ system | A group of organs that work together in performing vital body functions. |
| prokaryote | organism made up of a single cell that does not have a nucleus |
| central vacuole | a large vacuole that rests at the center of most plant cells and is filled with a solution that contains a high concentration of solutes |
| cell theory | All organism are made of one or more cells. The cell is the basic unit of all living things. All cells come from existing cells. |
| The man who first coined the term cell | Robert Hooke |
| Organ | made up of different kinds of tissue that function together |
| Cell | the basic units of structure and funtion in living things |
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