| A | B |
|---|
| absorption | material going into cell |
| aerobic organism | needs oxygen for respiration |
| anaerobic organism | does not need oxygen for respiration |
| autroph | able to make its own food |
| circulation | movement of materials within an organism |
| digestion | changes food into usable form |
| egestion | removes undigested food |
| excretion | removal of waste from cell |
| growth | increase in size or number of cells |
| hetertroph | not able to make its own food |
| ingestion | taking in food from the environment |
| life functions | activities that are same for all living things |
| metabolism | all processes necessary for life |
| nutrients | parts of food used by cells |
| nutrition | process for obtaining food |
| organism | living things |
| regulation | contol or coordination of life activities |
| reproduction | production of new organisms |
| respiration | complex series of chemical reations |
| synthesis | producing complex substances from simple ones |
| transport | circulation and absorption of nutrients |
