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Classification
Classifying Organisms
| Question | Answer |
|---|---|
| What is taxonomy? | Scientific study of how things are classified |
| Why is classification important for scientists? | to make organisms easier to study |
| What are the two parts of an organism's scientific name? | Genus & species |
| Name the 8 classification levels. | Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
| What is the 3rd broadest classification level? | Phylum |
| What is used to identify an unknown organism? | Dichotomous Key |
| What is in the dichotomous key? | sets of descriptive statements with alternative responses |
| Name the cell number for each kingdom. (unicellular, multicellular, or both) | Archaebacteria- unicellular Eubacteria- unicellular Protists- both Fungi- multicellular Plants- multicellular Animals- multicellular |
| What are archaebacteria also known as? | "ancient bacteria" |
| As you move down the classification levels, what happens to the number of organisms? | they decrease |
| What do species that have similar evolutionary histories share? | a common ancestor |
| What is binomial nomenclature? | the name of an organism? |
| What 2 kingdoms consist of only heterotrophs? | Fungi and animals |
| 2/3 of all the kingdoms have what the of cells? | Eukaryotic |
| Our classification system we used today have originated from what 2 scientists? | Aristotle and Carolus Linnaeus |