| A | B |
|---|
| biology | the study of life |
| life functions | living processes or activities |
| cell | consists of organelles |
| tissue | cells working together |
| organ | similar tissues working together |
| organ system | organs working together |
| nutrition | obtaining and processing foodod |
| digestion | breaking down |
| ingestion | taking food in |
| egestion | eliminating food |
| autotrophs | make their own food |
| heterotophs | can't make food |
| transport | moving materials |
| circulation | movement of materials within the cell |
| absorption | taking usable materials into the cell |
| nutrients | usable parts of food |
| respiration | process of releasing energy |
| aerobic | need oxygen |
| anaerobic | do not need oxygen |
| excretion | waste removal |
| regulation | control and coordination of activities |
| stimuli | changes in the environment |
| synthesis | producing complex organisms |
| growth | increase size |
| reproduction | making new organisms |
| metabolism | all life processes |
| homeostasis | balanced state |
