| A | B |
| prokaryotic | organism whose cells do not have a nucleus |
| anaerobic respiration | breaking down sugar for energy with out oxygen |
| multicellular | composed of more than one cell |
| heterotrophic | organisms that must get their energy from other organisms |
| autotrophic | organisms that can produce their own energy |
| photosynthesis | the process of combining water and carbon dioxide, using solar energy, to produce glucose and oxygen |
| chemosynthesis | the process of using certain chemicals in the environment to produce energy containing compounds without sunlight |
| eukaryotic | organisms whose cells contain a nucleus |
| nucleus | a structure in some cells that contains the genetic material that directs the function of the cell |
| aerobic respiration | the energy releasing process that combines glucose and oxygen to produce water carbon dioxide and energy for cells to use |
| protista | Kingdom composed of single celled organisms with a nucleus |
| eubacteria | Kingdom composed of single celled organism with out a nucleus |
| protozoans | animal like protists |
| flagellates | protozoans with "tails" |
| algae | plant like protists |
| amoebas | "blob" shaped protists |
| ciliates | protozoans with cilia or "hair" |
| unicellular | organisms made up of a single cell |
| invertebrates | animals without a spinal column |
| vertebrates | animals with a spinal column |