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Gappa 7th Chp 6
Gappa 7th Science Chp 6
| Question | Answer |
|---|---|
| virus | a small nonliving particle that invades and then reproduces inside a living cell |
| host | an oranism that provides a source of energy or a suitable environment for a virus or an other living organism |
| fossil | the preseved remains or traces of an orangism that lived in the past |
| homologous structure | body parts that have similar structures in related species; provide evidence that the structurtes were inheried from a common ancestor |
| branching tree | a diagram that shows how scientists think difference groups of oranisms are related; the closer organisms are on the tree, the closer they are related |
| binomial nomenclature | the naming system for organism is given a two-part name- a genus name and aspices |
| classification | The process of grouping things based on their similarities. |
| taxonomic key | A series of paired statement that describe the physical characteristics of different organisms. Used to identify the names of different organisms. |
| leavels of classification | Kingdom, Phylum, class, order, family, genus, species. |
| baceteria | A single celled organism that does not contain a nucleus; the genetic material just floats around in the cytoplasm. |
| 3 shapes of bacteria | rods, spheres and spirals |
Created by:
edeboo
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