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11 Cards in this Set
- Front
- Back
Classification
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The process of grouping things based on their similarities.
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How do biologists use classification?
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Biologists use classification to organize living things into groups so that the organisms are easier to study.
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Taxonomy
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The scientific study of how living things are classified.
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How do Geologists use classification?
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Geologists use classification to separate rocks into three groups according to how they formed.
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Aristotle
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He was a Greek scholar and the first scientist to develop a classification system for organisms. He recorded each animal's appearance, behavior, and movement. Then he divided them into 3 groups: those that can fly, those that swim, and those that walk, crawl, or run.
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binomial nomenclature
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The naming system for organisms in which each organism is given a two-part name-a genus name and a species name. This naming system was devised by Carlolus Linnaeus.
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genus
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A classification grouping that consists of a number of similar, closely related species. For example, pumas, ocelots, and house cats are all classified in the genus Felis.
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species
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A group of similar organisms that can mate and produce fertile offspring in nature. A species name sets one species in a genus apart from another. The species name often describes a distinctive feature of an organism, such as where it lives, or its color.
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What is a modern classification system?
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A modern classification system is a system where organisms are grouped by their shared characteristics. There are 7 levels. In order from broadest to most specific are: 1) Kingdom, 2) Phylum, 3) Class, 4) Order, 5) Family, 6) Genus, 7) Species
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evolution
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The process by which species gradually change over time.
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taxonomic key
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A series of paired statements that describe the physical characteristics of different organisms.
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