| A | B |
|---|
| Classification | the arrangement of organisms into orderly groups based on their similarities |
| Kingdom | The largest, most general level, of the seven levels or organization |
| Phylum | the level of classification after kingdom |
| Class | level of classification after phylum |
| Order | level of organization after class |
| Family | level of organization after order |
| Genus | the level of organization after family |
| Species | the most specific of the seven levels of classification; these organisms can mate with one another and produce fertile offspring |
| Taxonomy | the science of identifying, classifying, and naming living things |
| Dichotomous Key | aid to identifying unknown organisms consisting of several pairs of descriptive statements that have only two possible responses |
| Archaebacteria | kingdom of bacteria which thrive in extreme environments |
| Eubacteria | kingdom containing mostly free-living bacteria found in a variety of environments |
| Protista | Kingdom of eukaryotic; single celled or simply multicellular organisms that do not belong in the plant, animal, or fungi kingdom. |
| Plantae | kingdom contain plants - complex multicellular organisms that are usually green and use the sun's energy to make sugars during photosynthesis |
| Fungi | kingdom of complex organism that obtain food by breaking down other substances int their surroundings and absorbing the nutrients |
| Animalia | kingdom containing complex, multicellular organisms that lack cell walls, are usually able to move around, and possess nervous systems to help them be aware of and react to their surroundings |
