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