Classification Flashcards

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1
Q

What is phylogeny?

A

It shows the ancestry of groups and points of divergence from a common ancestor
Evolutionary history of
relationships between groups
of organisms

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2
Q

What are points of divergence?

A

They allow us to identify the last point two groups of organisms had a common ancestor and tell us when speciation has occured

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3
Q

What is the binomial naming system?

A

All organisms have 2 latin names
Genus and species
Developed by carl linnaeus

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4
Q

What are the taxon levels?

A

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

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5
Q

What is a species?

A

A group of similar organisms that can interbreed to produce fertile offspring

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6
Q

What is a gene?

A

A section of dna that codes for a polypeptide

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7
Q

What is a phylogenetic group?

A

Classification based on evolutionary history of relationships between groups of organisms

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8
Q

What is a hierarchy?

A

Groups that are subdivided into smaller groups and do not overlap

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9
Q

What is taxonomy?

A

Classifying (sorting) living organisms, naming them and splitting into groups (taxa) based on the similarities and
differences between them

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