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Natural Selection

Darwin - Evolution - Natural Selection

QuestionAnswer
a structure or behavior that helps an organism survive adaptation
a change in a species over time evolution
the process by which evolution occurs; organisms with more favorable variations survive to reproduce natural selection
the islands that Darwin visited helping him shape his ideas on evolution Galapagos
differences in a structure or behavior within a population variations
fighting over limited resources, either within a population or between populations of different species competition
the scientist that first published the accepted theory of evolution Charles Darwin
the ship that Darwin sailed on in the 1830's HMS Beagle
the title and date of Darwin's book On the Origin of Species, 1859
a group of similar organisms that can interbreed and produce fertile offspring species
preserved plant and animal remains fossil
body parts in different organisms that are similar in structure and probably were passed on by a common ancestor homologous structure
an example of homologous structures in mammals bat wings, whale fins and cat paws
the four needs of an organism that are met by its habitat food, water, shelter and a place to raise young
separation of populations of the same species by geography or events (river, ocean, mountain, volcano..) isolation
types of evidence that scientists use to determine evolutionary history fossils, DNA, similarities in development and body structures
How do new species form? From adapting to conditions differently after separation through isolation and/or continental drift
A branching tree diagram showing evolutionary relationships cladogram
Created by: doakes27
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