| A | B |
| reproduce | characteristic of living things |
| cell | smallest unit that can perform the basic activities of life |
| Van Leeuwenhoek | used a microscope |
| illustration | example of a model |
| organ | different tissues working together |
| Eukarya | domain with almost all multicellular organisms |
| cell membrane | protective covering that encloses every cell |
| bacteria | example of a prokaryote |
| chloroplast | in a plant cell, allows photosynthesis |
| mitochondria | found in plant AND animal cells |
| organism | individual form of life that uses energy |
| prokaryotic cells | has NO nucleus |
| central vacuole | holds water in plant cells |
| Eukarya | domain containing organisms with nuclei |
| Eukaryotes | may be multicellular or unicellular |
| nucleus | holds genetic info |
| organelle | any part of a cell enclosed by its own membrane |
| mitochondria | release stored energy |
| Golgi apparatuses | finish processing cell products |