Classification RYLIE WILLIAMS DEANNA HOLBY. What is Classification? To group according to like...
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Transcript of Classification RYLIE WILLIAMS DEANNA HOLBY. What is Classification? To group according to like...
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ClassificationRYLIE WILLIAMS
DEANNA HOLBY
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What is Classification?
To group according to like traits
https://www.youtube.com/watch?v=kKwOlAqQoLk
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Classification activities
Classification Activityevolution
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How is it used? Why is it needed?
• To group and separate organisms into groups with like organisms
• only 5 million have been recognized• Around 7-8 million organisms need
discovered• Helps to organized
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Taxonomists
• Science of naming, describing, classifying • Use 4 methods to classify
• Homologous structures
• Evidence from genetics/biochemistry
• Similarities in embryonic development
• Phylogeny
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Homologous Structures
• Share similar structures • Different functions
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Genetics and biochemistry
• Similar DNA• Similar proteins
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Embryotic development
• Similar traits• Similar look while developing• Similar development time
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Embryotic game
Embryotic Game
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Phylogeny
• Evolutionary history of organism• EVOLUTION
• How we came into existence
• How we are related to past organisms
• Driving force of evolution, natural selection
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Big Ideas in Evolution
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1) DNA
• Holds code of life• Makes proteins to give traits• Mutations – alter DNA > alter proteins
• Most mutations are evolutionary neutral
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2) Natural Selection
• Adaptions to help survive• “Survival of the fittest”• The strongest and smartest survive
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Natural Selection Games
Natural Selection GameEvolvo Game
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3) Speciation
• When 1 population is isolated from another• Usually geological
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4) Selective Breeding/Bio Technology
• Deliberate change of genetic makeup• Cloning
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5) Fossil Record
• Shows development of organisms• Shows changes throughout history
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History – Aristotle
• Greek philosopher• Created 1st system of classification
• Divided living organisms into two groups
• Based on physical traits
https://www.youtube.com/watch?v=d1prFia-7NE
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History - Aristotle
• Plant• Structure • Examples
• Large woody
• Small woody
• Soft stemmed
• Animal• Habitat• Examples
• Land
• Air
• Water
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History – Carl Linnaeus
• System of classification (1700s)• Still used today
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Binomial Nomenclature
• Bi = 2• Nomial = name• Nomenclature = naming system• Two-name (2 word) naming system• Scientific name
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Scientific Name
• Two-word name• Universally used• Made up of Genus and species• Genus name capitalized, species lowercase• Example: Homo sapien
• Homo – Genus
• sapien – Species
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Common Names
• Different names for the same organisms depending on where they live
• Example: Dog• Canid
• Man’s best friends
• K9
• Perro
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Common Names Cont.
• All the same animal• Canis lupus familiaris (scientific name)
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8 Division of Classification• Domain• Kingdom• Phylum• Class• Order• Family• Genus• Species
*Largest(most broad) to smallest(most specific)*
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8 Divisions of Classification Cont
• Domain is the widest division• Species is the most specific
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Domain
• The broadest classification• Divided into 3 parts
• Archaebacteria
• Eubacteria
• Eukarya
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Archaebacteria
• “Ancient Bacteria”• First living cells• Live in extreme conditions• Know as extremophiles• Live in
• Swaps
• Guts
• Hot springs
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Eubacteria
• True Bacteria• Effects everyday life
• Tooth Decay
• Spoils food
• Causes illness
• Evolved from Archaebacteria
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Eukarya
• True nucleus• Contains organisms whose cells contain nucleus• Nucleus
• brain of cell
• Contains DNA
• 4 Kingdoms of Eukarya
https://www.youtube.com/watch?v=gSuRoDGpKWw
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Four Kingdoms
• Protista• Fungi• Plantae• Animalia
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Four Kingdoms
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Phylogenic Tree
• Organizes things based on context of evolution
https://www.youtube.com/watch?v=OYRYQ6YFsow
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Cladogram
• Shared derived characteristics https://www.youtube.com/watch?v=46L_2RI1
k3k
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Hybrids
Organisms of the same genus but different species
Offspring that are usually sterile
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Fun Facts!
• Tigon – off spring of a tiger and lioness• Zebroid – Shetland pony and Zebra• Cloned Sheep
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Works cited• "Dog." Wikipedia. Wikimedia Foundation, n.d. Web. 04 Jan. 2015.
• "Scholastic.com | Teacher: Online Activities: Scholastic Explorations: Classify Insects: Zoom in on True Bugs." Scholastic.com | Teacher: Online Activities: Scholastic Explorations: Classify Insects: Zoom in on True Bugs. N.p., n.d. Web. 08 Jan. 2015
• "Charles Darwin's Game of Survival : Science Channel." Science Channel. N.p., n.d. Web. 08 Jan. 2015
• VanCott, Rachel. "Guess the Embryo." PBS. PBS, 26 Oct. 2009. Web. 08 Jan. 2015.
• PBS. PBS, n.d. Web. 08 Jan. 2015.
• "Evolvo." Evolvo. N.p., n.d. Web. 08 Jan. 2015.
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Works Cited
• "Learn Biology: Classification- The Taxonomic Hierarchy." YouTube. YouTube, n.d. Web. 08 Jan. 2015.
• "13.1.1 Aristotle and Early Classification." YouTube. YouTube, n.d. Web. 08 Jan. 2015.
• "Learn Biology: Classification- Domains." YouTube. YouTube, n.d. Web. 08 Jan. 2015.
• "Phylogenetic Trees." YouTube. YouTube, n.d. Web. 08 Jan. 2015.