The lesson learned from Darwin Finches in the Galapagos Islands: O Little genetic variation can be detected due to small population size Finches are prone to speciation and are unique among vertebrates who are less likely to diverge O all the finches were created as different species O speciation can be rapid when open habitats become available providing varied condition

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A:

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Evolutionary lineages

An evolutionary lineage is a series of populations of organisms that descend from a common ancestor. Each species in the lineage is the direct consequence of evolutionary change from a common ancestor. A phylogenetic tree is generally used to display lineages visually. Lineages are components of the phylogenetic tree of life. Molecular systematics procedures are widely used to predict lineages.