| A | B |
| classify | to group according to similarities |
| taxonomy | the science of grouping organisms |
| species | a group of very very similar organisms |
| kingdom | the largest taxonomic group |
| dichotomous key | tool used to identify and name an organism |
| parasite | an organism that lives in or on another organism |
| herbivore | eats only plants |
| carnivore | eats only meat |
| omnivore | eats both plants and animals |
| host | an organism that has a parasite living on it or in it |