Classification - Key Word Definitions

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The placing of organisms into groups. Larger groups are divided up into progressively smaller groups forming a hierarchy.
Classification
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A system of ranking in which small groups are nested components of larger groups.
Hierarchy
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The identification and naming of organisms is known as this...
Taxonomy
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Each group within a classification system is called a...
Taxon
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The largest taxon.
Domain
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A sub group of a kingdom. Members of each group have a distinct body plan.
Phylum
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A sub group of a phylum.
Class
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A sub group of a class.
Order
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A sub group of an order.
Family
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A ... is a group of similar organisms.
Genus
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A group of organisms sharing a large number of physical features, that are able to interbreed to produce fertile offspring.
Species
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Structures with different functions but have a similar form and development origin.
Homologous structures
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When a common ancestral structure has evolved to perform many structures.
Divergent evolution
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Structures that perform the same function and have a similar shape, but have different development origins.
Analogous structures
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Other cards in this set

Card 2

Front

A system of ranking in which small groups are nested components of larger groups.

Back

Hierarchy

Card 3

Front

The identification and naming of organisms is known as this...

Back

Preview of the front of card 3

Card 4

Front

Each group within a classification system is called a...

Back

Preview of the front of card 4

Card 5

Front

The largest taxon.

Back

Preview of the front of card 5
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