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7th Unit 5 Vocab
Identification and Adaptations of Organisms
| Term | Definition |
|---|---|
| Adaptation | a change in structure or habits (behavior), often hereditary, by which an organism improves its condition in relationship to its environment |
| Hibernation | a slowed physiological state of an organism to survive long periods of cold temperature or reduce food supplies |
| Hybrid | An offspring resulting from the cross of two different species of subspecies |
| Dichotomous key | a tool used to identify species of organisms using opposing observable characteristics |
| Migration | Seasonal movement to a different geographical region where conditions are more favorable |
| Natural selection | Process by which organisms with favorable traits produce more successful offspring than organisms with less-favorable traits, causing the favorable traits to become more common in the population |
| Physiology | the way in which a living organism or bodily part functions |
| Population | all of the members of a species living in a particular area at a particular time |
| Selective breeding | making deliberate crosses of plants or mating of animals, so the offspring will have a desired characteristic derived from one of the parents |
| Species | a group of organisms with similar characteristics that are able to interbreed or exchange genetic material |
| Taxonomy | the branch of science that formally names and classifies organisms by their structure, function, and relationships |
| Trait | a characteristic of an organism; can be genetic or acquired |
| Variation | a different form or version of something |
Created by:
blair.sullivan
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