| A | B |
| eukaryote | cells have a nucleus |
| asexual reproduction | 1 parent - identical offspring |
| sexual reproduction | 2 parents - offspring a combination |
| unicellular | single celled organism |
| prokaryote | cells do not have a nucleus |
| binary fission | one cells divides into two cells - asexual reproduction |
| conjugation | unicellular organisms transfer genetic material to another unicellular organism |
| bacteria | one celled organism with no nucleus |
| protist | one celled organism with a nucleus - amoeba, paramecium |