Transcript Scientific Classification

Taxonomy
• The science of naming and
classifying organisms
Basic characteristics of living things
Cells
Metabolism
Homeostasis
Heredity
Evolution
Reproduction
History of Taxonomy
• Aristotle was one of
the first to tackle
scientific classification
– Grouped organisms
together by similar
structures
History Continued
• Carolus Linnaeus (1707-1778)
– “father of taxonomy”
– Pioneer for modern classification of plants and
animals
Linnaeus’ Innovations
• System was set up as
a pyramid
– Largest, most
general
relationships first,
then more specific
• Binomial system
– Name has two parts
(ex. Canis familiris)
– Latin word roots
Human Classification
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Domain
Kingdom
Phylum
Class
Order
Family
Genus
species
Eukarya
Animalia
Chordata
Mammalia
Primates
Hominidae
Homo
sapien
Phylogeny
• The evolutionary history of a species
• Shown through classification
Phylogeny
• Sweet website
• Sweeter website
Levels of Classification
Domain
Dr.
Kingdom
King
Phylum
Phillip
Class
Came
Order
Over
Family
For
Genus
Grape
Species
Soda
Domains
• Bacteria- prokaryote
• Archaea- prokaryote, different RNA and
memebranes than Bacteria
• Eukarya- eukaryote
– Further broken down into 4 kingdoms.
Domain
• ARCHAEA: prokaryotic, with no membrane
bound organelles (Extremophiles)
Salt loving, nuclearwaste bacteria
Domain
– BACTERIA: prokaryotic, with no membrane
bound organelles (Bacteria)
E. coli
Domain Eukarya
Kingdom:
– PROTISTA- unicellular (colonial unicellular) and
eukaryotic, possess membrane bound organelles
(Paramecium, Algae)
Malaria
Domain Eukarya
Kingdom:
– FUNGI-non-motile multicellular heterotrophsCANNOT photsynthesize (Mold, Mushrooms,
Yeasts)
Domain Eukarya
Kingdom:
– PLANTAE- multicellular non-motile eukaryotes
that perform photosynthesis
Domain Eukarya
Kingdom:
– ANIMALIAmulticellular and
eukaryotic, distinct
nucleus, heterotrophs,
motile
Current Method of Classification
• The system set up by
Linnaeus is still used
• System is now roughly
based on evolutionary
concepts and biological
characteristics
What’s my name?
• On your paper, write down the name of this
organism
Puma concolor
(Genus species)
• Puma
Cougar
Or More Correctly: Nittany Lion
• Mountain Lion
Catamount
Classify: Dichotomous Key
A
B
C
D
Levels of Classification
Kingdom
Kung fu
Phylum
Peace out
Class
Can-can
Order
Ollie
Family
First
Genus
Go for it
Species
Safe!