Classification - AS Biology

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  • Created by: Gracie
  • Created on: 31-05-13 16:24
What is the definition of classification ?
Is the act of arranging organisms into groups baised on their simularities and differences
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What is the definition of Taxonomy ?
Is the study of classification. There are different classification systems in use, but they all involve placing organisms in groups in a taxonomic hierarchy
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What is the first stage of classification ?
Simular organisms are sorted into one of three large groups calle Domians
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What is the second stage of classification ?
Simular organisms are sorted into slightly simular groups called Kingdoms.
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What is the third stage of classification ?
Simular organisms from that Kingdom are arranged and sorted into the group Phylum. This contiues down the taxanomic hierarchy
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Order of Taxanomic hierarchy ?
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
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What are the five kingdoms in the 'Five Kingdom' classification ?
Prokaryotae, Protoctista, Fungi, Plantae, Animalia
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What features does a Protaryotae have ?
Prokaryotic, unicellular, no nucleus, less than 5 micro meters
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What features does a Protoctista have ?
Eukaryotic cell, live in water, single celled or simple multicellular
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What features does a Fungi have ?
Eukaryotic cell, chitin cell wall, saprotrophic
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What features does a Plantae have ?
Eukaryotic cell, cellulose cell wall, photosynthesis, chylorophyll, autotrophic
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What features does a Animalia have ?
Eukaryotic,multicellular, no cell walls, heterotrophic
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What is the naming system of classification ?
Binomial system
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What is the first part of their 'name' ?
Genus
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Does the first part of the 'naming system' have a captital letter ?
True
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What is the second part of the organisms 'name' ?
Species
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Is the second part of the organisms name in italics ?
True
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What is the purpose of a binomial system ?
It prevents confusion between common names.
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What is the defintion of Phylogeny ?
It is the study of evolutionary history of groups of organisms,
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Why must Phylogeny be taken on board when arranging animals into groups ?
All animals have evolved, some share common ancestors.
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Card 2

Front

What is the definition of Taxonomy ?

Back

Is the study of classification. There are different classification systems in use, but they all involve placing organisms in groups in a taxonomic hierarchy

Card 3

Front

What is the first stage of classification ?

Back

Preview of the front of card 3

Card 4

Front

What is the second stage of classification ?

Back

Preview of the front of card 4

Card 5

Front

What is the third stage of classification ?

Back

Preview of the front of card 5
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