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