Evolution

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  • Created by: anna10g
  • Created on: 30-10-17 09:19
Phylogenetic tree
shows inferred evolutionary relationship between species
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Speciation
the development of a new group from one species
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homologous structures
same features
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pentadactyl limb
A limb with five digits, characteristic of tetrapod vertebrates
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evolution
the change in the heritable characteristics of a population over time
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binomial system
naming system to avoid international confusion - based on latin. 1st name is the genus, 2nd name is the species
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taxa
classification groups
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taxonomy
study of classification
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species
a group of similar organisms which are able to interbreed to produce fertile offspring
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carl linnaeus
'father of classification', swedish biologist, developed the classification system
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Order of taxa
Kingdom, Phylum, Class, Order, Family, Genus, Species
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Dichotomous Key
constructed to identify species within a group- A series of pairs of descriptions- each one leads onto another numbered pair, and eventually to an identification
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Gradual Divergence
The gradual accumulation of differences between populations which leads to the development of a new species, moving away from a common ancestor
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Industrial Melanism
the prevalence of dark-coloured varieties of animals (especially moths) in industrial areas where they are better camouflaged than paler forms
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Other cards in this set

Card 2

Front

the development of a new group from one species

Back

Speciation

Card 3

Front

same features

Back

Preview of the back of card 3

Card 4

Front

A limb with five digits, characteristic of tetrapod vertebrates

Back

Preview of the back of card 4

Card 5

Front

the change in the heritable characteristics of a population over time

Back

Preview of the back of card 5
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