| A | B |
|---|
| cells | the basic units of structure and function in living things |
| cell wall | rigid; protects and supports the cell. |
| cell membrane | controls what comes in and out of the cell |
| nucleus | the brain/control center;directs the cell's activites |
| vacuole | storage area for food, water, and waste |
| cytoplasm | gel-like fluid between the cell membrane and the nucleus that holds the organelles in place |
| mitochondira | power house of the cell;releases energy |
| cholorplast | captures energy from the sun and turns it into food (sugar) |
| organism | an individual form of life that uses energy to carry out activites |
| unicellular | consisting of a single cell |
| mulicellular | consisting of many cells |
| microscope | an insturment that uses lenses to make an object appear bigger than it really is |
| bacteria | tiny single celled organisms |
| eukaryotic cell | a cell whose DNA is stored in a nucleus |
| prokaryotic cell | a cell that has no nucleus |
| organelle | any part of a cell enclosed by a membrane |
| specialization | the particular organization of a cell and its organelles that allows it to do a specific job |
| tissue | a group of similar cells organized to do a specific job |
| organ | different tissues that work together to perform a particular function |
