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http://www.youtube.com/watch?v=W_X5ciqtbG0
NOVA – The First PrimatesNOVA – The First Primates
DO NOW Apr 13DO NOW Apr 13
Develop a system to classify Develop a system to classify teachers at PTHS.teachers at PTHS.
You must have at least 5 different You must have at least 5 different identifiers (factors) to classify identifiers (factors) to classify teachers.teachers.
DO NOW ANSWERED Apr DO NOW ANSWERED Apr 1313
Let’s share some of our strategies and systems.
Are they logical systems of Are they logical systems of identification?identification?
DO NOW – Possible ANSWERDO NOW – Possible ANSWER 1. Department – Science, History, Math1. Department – Science, History, Math
2. Subject Taught – Biology, Physics, 2. Subject Taught – Biology, Physics, ChemistryChemistry
3. Classroom – 417, 410, 4073. Classroom – 417, 410, 407
4. Gender of Teacher – Male or Female4. Gender of Teacher – Male or Female
5. Physical Traits – Hair color, Eye color 5. Physical Traits – Hair color, Eye color
AGENDA April 13AGENDA April 13
OBJECTIVE: Classify different types of life OBJECTIVE: Classify different types of life based on evolutionary characteristics based on evolutionary characteristics using an organized system.using an organized system.
1. DO NOW1. DO NOW 2. 18-1 Order in Diversity2. 18-1 Order in Diversity 3. Review and Homework3. Review and Homework
– STUDY YOUR NOTES!!!STUDY YOUR NOTES!!!– QUIZ TOMORROW!QUIZ TOMORROW!
Chapter 18: Chapter 18: ClassificationClassification
18-1: Order in Diversity18-1: Order in Diversity
Taxonomy – scientific classification of organisms with universally accepted names.
What is the name of this animal? Cougar, panther, mountain lion, puma All are acceptable.
Scientific NamesScientific Names Puma concolorPuma concolor
Binomial NomenclatureBinomial Nomenclature Developed by Carolus LinnaeusDeveloped by Carolus Linnaeus Two-part scientific nameTwo-part scientific name
Names are ItalicizedNames are Italicized– First letter-first word capitalizedFirst letter-first word capitalized– Second word is lower-caseSecond word is lower-case– Ursus maritimus– (GENUS) species name(GENUS) species name
Linnaeus’s System of Linnaeus’s System of ClassificationClassification
KKinging KINGDOMKINGDOM PPhiliphilip PHYLUMPHYLUM CCameame CLASSCLASS OOverver ORDERORDER FFromrom FAMILYFAMILY GGreatreat GENUSGENUS SSpainpain SPECIESSPECIES
18-2 Modern Evo 18-2 Modern Evo ClassificationClassification
Evolutionary classification Evolutionary classification based upon evo based upon evo history.history.– Similar traits and appearancesSimilar traits and appearances
PhylogenyPhylogeny – grouping of organisms – grouping of organisms through lines of evolutionary descent.through lines of evolutionary descent.– Descent with modificationDescent with modification
CladogramsCladograms Derived characteristics appear in recent appear in recent
parts of lineage.parts of lineage.
Used to construct Used to construct cladograms.– Show evolutionary relationships
Mini-LABPage 453Draw a cladogram
Hint: Begin with a trait that only oneorganism is missing
CladogramsCladograms
Arrange the following organisms into Arrange the following organisms into a cladogram.a cladogram.
Lizard, Hamster, Salamander, Lizard, Hamster, Salamander, Chimpanzee, SalmonChimpanzee, Salmon
Cladogram ExamplesCladogram Examples
18-3 Kingdoms and 18-3 Kingdoms and DomainsDomains
Five Kingdoms Five Kingdoms SIX KingdomsSIX Kingdoms
Eubacteria, Archaeabacteria, Eubacteria, Archaeabacteria, Protista, Protista,
Fungi, Plantae, AnimaliaFungi, Plantae, Animalia
THREE-Domain SystemTHREE-Domain System 1. Eukarya1. Eukarya 2. Bacteria2. Bacteria 3. Archaea3. Archaea
Three DomainsThree Domains 1. 1. BACTERIABACTERIA
– Unicellular and prokaryotic– Cell walls contain peptidoglycan– Very diverse survival mechanisms
2. 2. ARCHAEAARCHAEA– Unicellular and prokaryotic bacteria– Extreme environments, most are anaerobic– Unique lipids in cell walls
3. 3. EUKARYAEUKARYA– EukaryoticEukaryotic– Kingdom Protista, Fungi, Plantae, and AnimaliaKingdom Protista, Fungi, Plantae, and Animalia
Domain EukaryaDomain Eukarya
PROTISTAPROTISTA Eukaryotic Not classified as animals, plants, or
fungi– characteristics of all three displayed
Members have greatest variety Most unicellular Photosynthetic or Heterotrophic
Domain EukaryaDomain Eukarya
FUNGIFUNGI HeterotrophsHeterotrophs
– Feed on dead/decaying matterFeed on dead/decaying matter– Secrete digestive enzymesSecrete digestive enzymes– Absorb smaller food moleculesAbsorb smaller food molecules
Multicellular – MushroomsMulticellular – Mushrooms Unicellular - YeastUnicellular - Yeast
Domain EukaryaDomain Eukarya PLANTAEPLANTAE MulticellularMulticellular PhotosyntheticPhotosynthetic NonmotileNonmotile Cell walls contain celluloseCell walls contain cellulose Cone-bearing and FloweringCone-bearing and Flowering Mosses and fernsMosses and ferns
Domain EukaryaDomain Eukarya
ANIMALIAANIMALIA MulticellularMulticellular HeterotrophicHeterotrophic No cell wallsNo cell walls Have motilityHave motility