Chap 18. Classification.

Chap 18. Classification. - and a species identifier. 15....

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Kyle Lee Fri Mar 23 rd , 2006 Biology 1. Biodiversity – refers to the variety of organisms in a given area. 2. Species – a group of organisms of a single type that are capable of producing fertile offspring in the natural environment. 3. Genetic diversity – amount of genetic variation. 4. Extinctions – the dying out of a species. 5. Taxonomy – the science of grouping organisms according to their resumed evolutionary relationships. 6. Kingdom – in taxonomy, a group of similar phyla or divisions. 7. Phylum – in taxonomy, a group of similar classes. 8. Division –in taxonomy, a group of similar classes of plants 9. Class – in taxonomy, a group of related orders. 10. Order - in taxonomy, a group of similar families. 11. Family - in taxonomy, a group of related genera. 12. Genus - in taxonomy, a group of similar species. 13. Species name – the two-part scientific name of a species composed of the genues and the species identifier. 14. Binomial nomenclature – a system of naming organisms that uses the genus name
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Unformatted text preview: and a species identifier. 15. Phylogeny the evolutionary history of a species or taxonomic group. 16. Morphology the study of the internal and external structure and form of an organism. 17. Utility- 18. Botany the scientific study of plants. 19. Systematics systematic taxonomy; taxonomic organization or living things in the context of evolution. 20. Cladistics a system of phylogenetic classification using shared derived characters and the recency of ancestry is the sole eriterion for grouping taxa. 21. Cladogram it is a diagram that shows relationships between animals and the point of time when a specific evolution occurred. 22. Derived Characteristics a feature that evolved only within the group under consideration, such as the feathers of birds. 23. Phylogenetic tree a family tree that shows the evolutionary relationships thought to exist among groups or organisms....
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This note was uploaded on 03/03/2010 for the course SOCI 123 taught by Professor Saiz during the Fall '10 term at Acton School of Business.

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Chap 18. Classification. - and a species identifier. 15....

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