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–GoldfishWhaleHousecatBacterium SharkOctopusCollieBursaria BassAntelopeSnailButterfly TigerSheepCrabRattlesnake LionCowPythonScorpion TomatoGrapevinePond.

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Presentation on theme: "–GoldfishWhaleHousecatBacterium SharkOctopusCollieBursaria BassAntelopeSnailButterfly TigerSheepCrabRattlesnake LionCowPythonScorpion TomatoGrapevinePond."— Presentation transcript:

1 –GoldfishWhaleHousecatBacterium SharkOctopusCollieBursaria BassAntelopeSnailButterfly TigerSheepCrabRattlesnake LionCowPythonScorpion TomatoGrapevinePond Scum/AlgaeButtercup CheetahGrizzly BearKoala BearParamecium ChimpanzeeEelArmadilloRoadrunner ApeMosquitoToadBloodhound ElephantLobsterMonkeyCoyote Oak TreeElm TreePine TreeBanana RhinocerosHouseflyFrogAmoeba KangerooAsian BeetlePigGoat AnteaterCentipedeBadgerJellyfish MushroomRoseDust MiteGiraffe CondorKiwiDodoPigeon CodTulipBluegrassPfisteria

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5 Mountain Lion, Catamount or Puma?

6 Which is a fish?

7 Taxonomy Science of Classification (nomen = name) Necessary because of… –Size –Convergence

8 330,000 different species of beetles British entomologist Haldane is reported to have said that God must have "an inordinate fondness for beetles."

9 Karl von Linnae Botanist obsessed with Latin Changes name to Carolus Linnaeus First scientist to use ♂ and ♀ symbols for male and female

10 Latin Classification Pro: –Non-dynamic Con: –Length

11 1775 Linneaus writes Systemate Naturae physalis amno ramosissime ramis angulosis glabris foliis dentoserratis became Physalis angulata Physalis angulata

12 Linnean Taxonomy Divides organisms into seven divisions based upon physical, chemical, behavioral and evolutionary characteristics For practical use, each organism is assigned two names BINOMIAL NOMENCLATURE

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17 PHYLUM The best known animal phyla are the Mollusca, Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata, and Chordata, MolluscaPoriferaCnidaria PlatyhelminthesNematodaAnnelida ArthropodaEchinodermata Chordata Although there are approximately 35 phyla, these nine include the majority of the species.

18 CLASS

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20 ORDER

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22 GENUS

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24 Species The most commonly used definition of species was first coined by Ernst Mayr.Ernst Mayr Species are "groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups populations reproductively

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27 American Lobster Market Squid Blue Mussel Virginia Oyster European Oyster Phylum ArthropodaMollusca Class MalacostracaCephalopod a Bivalvia Order Decapoda MytiloidaPterioida Family NephropidaeLoliginidaeMytilidaeOstreidae Genus HomarusLoligoMytilusCrassostreaOstrea Species americanusopalescensedulisvirginicaedulis

28 Three Domains

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30 Dichotomous Key “two choices” A dichotomous key must be: –Accurate –Precise –Plastic (able to incorporate new species with relative accuracy)

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32 Exodus 3:2

33 Dictamnus alba

34 Eunonymous alatus

35 Lab: Creating A Dichotomous Key For NE Illinois Foliage Purpose: To create an accurate, precise and plastic dichotomous key for ten (10) different species of plant from NE Illinois. Method: Dichotomous Key Your dichotomous key will be tested for accuracy, precision and plasticity (with a mystery leaf not in the original set of 10)

36 Simple v. Compound SIMPLE – 1 Blade/Petiole COMPOUND = >1 Blade/Petiole

37 Leaf Position

38 Leaf Shape

39 Leaf Margin

40 Veination Patterns PINNATE PALMATE

41 Example Compound Whorled Palmate Lanceolate Denate (toothed)

42 Quercus alba Simple Alternate (look at buds on twig) Ovate (oval shaped) Crenate


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