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General
Early Attempts at Classification
Levels of Classification
Carlos Linnaeus
Modern Taxonomy
100
Classification system
To study the diversity of life, biologist use a
100
2000 years ago
Organisms were classified more than
100
Domain
What is that the first level of classification ?
100
Structural similarity
Linnaeus set up a system based on ?
100
Phylogentic trees
To show the evolutionary relationship between different groups of organisms, scientists construct
200
How many total species are there?
What is 10 million
200
A Greek Philosopher
Who is Aristotle
200
Kingdom
What is the second level of classification ?
200
Group
Linnaues developed a system that placed an organism in a particular
200
evolutionary relationships
What does the plant branch represent
300
Reproduce
Organisms produce more offspring that can survive. Of the offspring that do survive they will not live to ?
300
The two groups Aristotle first sorted organisms into.
plants and animals
300
Phylum
What is the 3rd level of classification ?
300
Binomial nomeclature
What is the system he invented that we still use today?
300
The last common ancestor
What does he last branch represent ?
400
the term for biology that classifies organisms, then names
What is biology
400
Land dwellers, water dwellers and air dwellers
What was one of the groups that aristotle made
400
Class
What is the 4th level of classification?
400
A scientific name with 2 parts
What is binomenclature
400
Structures
Morphology is based on ?
500
1.5 million
Scientist have described and named a total of blank species?
500
Herbs, Shrubs and Trees
He divided plants into 3 groups, what were they ?
500
Species
What is the last level of classification?
500
7 levels
Each subset was subdivided until he had developed
500
Left over from ancestors
What is a venstigial structure ?