C17 Organizing Life’s Diversity. A little history:  Aristotle (2000 years ago)  Plants and animals (2 kingdom system)  Carolus Linnaeus (1750s)  Binomial.

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Presentation transcript:

C17 Organizing Life’s Diversity

A little history:  Aristotle (2000 years ago)  Plants and animals (2 kingdom system)  Carolus Linnaeus (1750s)  Binomial nomenclature  Genus species (Canis familaris, Canis lupus)

Taxonomy (define)  Domain contains Eukaryote  Kingdom contains Animalia  Phylum which contains Chordata  Class which contains Mammalia  Order which contains Carnivora  Family which contains Canidae  Genus which contains Canus  Species familaris I can’t believe I’m going to say this, but see Wikipedia for examples

How do they figure out what organism belongs in what group?  Dichotomous Keys

http :// Taxonomy Cont. Phylogeny – theorized evolutionary history of a species Cladistics – closeness of organisms based on similarities of characteristics (organizing a closet) - classification based on phylogeny (also use of DNA & embryology & morphology) fur, mammary glands claws or nails lungs jaws feathers Cladogram

17.2 Intro to Kingdoms of LIfe  6 Kingdom System  Archaebacteria  Eubacteria  Protista  Fungi  Plantae  Animalia  5 Kingdom System  Monera  Protists  Fungi  Plantae  Animalia 3 Domains: Archaea Bacteria Eukarya Interesting Fact: 99% of Animals are invertebrates 1% of Animals are vertebrates (fish, amphibs, reps, birds, mams

Prokaryote vsEukaryote -2 kingdoms -No membrane bound organelle -Ribosomes -Circular chromosomes & plasmid -1/10 th the size of euks -4 kingdoms -Membrane bound organelle -Ribosomes -Linear chromosomes -10X the size of pros

Get out Kingdom chart

Organisms are put into Kingdoms based on:  Cell type  Cell construction  Body type  Unicellular vs Multicellular  Nutrition

Students gather general info from text on each kingdom

Plants and Animal Kingdoms  Cells that differentiate  “division of labor”  Because cells differentiate can organize  Tissue  Organ  Organ sytem

Pluipotent vs totipotent