Classification of Organisms Chapter 18

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Classification of OrganismsChapter 18
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Carol von Linné (1707-1778)

• Swedish naturalist.
• Systema Naturae.
• Plant descriptions.
• Plant binomials- a two-term system of
  nomenclature.
• Genus and species (specific epithet).
• Example- catnip.
• Nepeta cataria L.
• Nepeta floribus interrupte spicatus pedunculatis

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Nepeta cataria- Lamiaceae
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3 Domains and 6 Kingdoms
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Taxonomy

• Taxonomy- (gr. taxis- arrangement, nomos- law)
  the science of the classification of organisms.
• Identifying, naming, classifying organisms.
• Domain
• Kingdom
• Phylum- phyta
• Class- phyceae
• Order- ales
• Family- aceae
• Genus
• Species

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Classifying Living Things
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Figure 18.3
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Species Concepts

• Biological Species Concept

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Phylogenetic Species Concept
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Table 18.1