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Published byLewis Fletcher Modified over 9 years ago
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Classification
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Classification is The arrangement of organisms into orderly groups based on their similarities/differences.
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Why classify? Helps to make sense of large # of organisms Example (not living) –Stores, closets, CDs
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History of Classification Aristotle (Greek) 2000 years ago –Two groups Animals Plants
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Animals Plants FungiAnimals Protists Monerans ArchaebacteriaEubacteria
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Classification of Living Things
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Carolus Linnaeus Founded taxonomy –Science of identifying, classifying and naming living things Swedish physician and botanist, 1700s Based on similar structures
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Introduction to Classification
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Overview of Classification
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Levels of Classification Kingdom Phylum Class Order Family Genus Species King Phillip Came Over For Great Spaghetti
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Levels of Classification
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The Process of Classifying
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Classification Chart of a bottle-nosed dolphin
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Modern Classification Also includes –Fossil studies –Hereditary info –Early stages of development Phylogeny –The evolutionary history
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Branching Diagrams Page 162
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Scientific Names
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What’s in a Name? 2 part scientific name- Latin or Greek 1 st part –Genus –Always begins with Capital letter 2 nd part –Species –Always begins with lowercase letter Both parts are underlined or italicized
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Why do we need scientific names? So scientists from all over the world know what animal/plant that name refers to –can COMMUNICATE with each other
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What is this organism called? Woodchuck Groundhog Three common names for one organism! Whistle pig Marmota monax
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What is this organism? European robin Erithacus rubecula American robin Turdus migratorius
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Dichotomous Keys Consists of several pairs of descriptive statements Have only TWO alternative responses Used to identify an organism
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Dichotomous Key
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Woodland vole Adult weightAdult weight : 0.026 kg (0.0572 lbs) Maximum longevityMaximum longevity : 4 years Female maturity :98 days Gestation : 21 days Weaning : 21 days Litter size : 3 Litters per year : 3 Interval between litters : 26 days Order : Rodentia Family : Muridae Species : Microtus pinetorum
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Prairie vole Adult weightAdult weight : 0.04 kg (0.088 lbs) Maximum longevityMaximum longevity : 5 years Female maturity :47 days Gestation : 23 days Weaning : 20 days Litter size : 4 Litters per year : 4 Interval between litters : 26 days Order : Rodentia Family : Muridae Species : Microtus ochrogaster
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White-footed mouse Adult weightAdult weight : 0.023 kg (0.0506 lbs) Maximum longevityMaximum longevity : 8 years Female maturity :73 days Gestation : 26 days Weaning : 22 days Litter size : 5 Litters per year : 4 Interval between litters : 26 days Weight at birthWeight at birth : 0.002 kg (0.0044 lbs) Order : Rodentia Family : Muridae Species : Peromyscus leucopus
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Order : Rodentia Family : Muridae Species : Peromyscus maniculatus Deer mouse Adult weightAdult weight : 0.021 kg (0.0462 lbs) Maximum longevityMaximum longevity : 8 years Female maturity :49 days Gestation : 24 days Weaning : 22 days Litter size : 5 Litters per year : 3 Interval between litters : 27 days Weight at birthWeight at birth : 0.002 kg (0.0044 lbs)
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Classification of Living Organisms www.palaeos.com/kingdoms/kingdoms.htm#th ree_domains Three-Domain System www.en.wikipedia.org/wiki/Three_domain_sy stem Classification of Living Things www.window.ucar.edu/tour/link=/earth/Life /classification_intro.htmlClassification of Living Things www.window.ucar.edu/tour/link=/earth/Life /classification_intro.html
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