| A | B |
|---|
| classification | biologist use to organize living things into groups |
| taxonomy | the scientific study of how living things are classified |
| genus name | the first part of an organisms scientific name |
| species name | the second part of an organisms scientific name |
| species | a group of similar organisms that can mate and produce fertile offspring in nature |
| genus | a classification grouping that contains similar, closly related organisms |
| seven | biologists classify organisms into ____________ levels |
| characteristics | organisms are grouped by there shared ___________ |
| evolution | the process by which species gradually change over time |
| ancestor | certain organisms are similar because the share a common ________________ |
| taxonomic key | a series of paired statements that describe the physical characteristics of differant organisms |
| heterotrophs | a change in an organisms environment that causes the organism to react |
| homeostasis | organisms that make their own food |
| multicelluar | organisms that are composed of many cells |
| spontaneous generation | the mistaken idea that living organisms arise from non-living sources |
| organisms | all living things are |
| cell | the basic unit of structure in an organism |
| autotrophs | organisms that get energy by consuming other organisms |
| response | an organisms reaction from a stimulus |
| variable | the one differant factor in an experiment |
| stimulus | an organisms ability to maintain stable internal conditions |
| reproduce | to produce offspring that are similar to the parents |
| unicellular | consisting of only one cell (bacteria) |
