What evidence is there that there was life on Earth millions of years ago?
fossils
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What is a common ancestor?
An organism or species that is a shared ancestor (in evolutionary terms) of 2 or more later organisms/species
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What is evolution?
When characteristics of a species change over time
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Who came up with natural selection?
Alfred Russell Wallace
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Define Natural Selection
A natural process whereby organisms with genetic characteristics best suited to their environment survive to reproduce and pass on their genes to the next generation
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What is one reason people did no generally accept Darwin's theory at first
There was little evidence
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Other cards in this set
Card 2
Front
What is a common ancestor?
Back
An organism or species that is a shared ancestor (in evolutionary terms) of 2 or more later organisms/species
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