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14 cards from this deck
Formation of new species
Populations of same species separated from each other
Islands, rivers, volcanic eruptions, mountains
Cannot breed to produce fertile offspring
1823-1913
1858
Evolution by natural selection
Hybrids less well adapted than parents; drives speciation
Geographical isolation leads to speciation
One species evolving into multiple in different environments
Flying species in Australia
No natural predators, so flight not needed for survival
Gradual process over many generations
Warning colours
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