Charles proposed the theory of evolution by ___ selection
Natural
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What book did he write based off years of research on expeditions around the world?
Origin of species
2 of 17
He noticed differences in beaks of ___ on different islands
Finches
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Why were the beaks different?
The finches were adapted to their island
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His theory was that all species have ___ from simple life forms that first developed more then 3 billion years ago
Evolved
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Individuals with characteristics most suited to their environment are more likely to ___
Survive
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What did this mean for the next generation?
That characteristic will be passed on to next generation as they'll survive and breed.
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Was the theory accepted?
Yes, but only gradually
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Why were some against it?
It challenged the idea that god created all. Also, there was insufficient evidence
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Who was Alfred Russle Wallace?
One of Darwin's peers & friend. He independently proposed the same theory, but with less evidence behind it
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What research did Wallace do?
He went on exhibitions to islands around the world like Darwin
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Jean Lamarck also researched into this theory. What did he propose? (giraffe neck)
Changes animal makes in lifetime is passed down generation
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Why was his theory eventually rejected?
No evidence.Discovery of genetics supported Darwin's theory.
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What is specialization?
Formation of new species through evolution process
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This occurs when a species become so different that they can no longer __
Breed
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I__tion and natural ___ lead to this
Isolation and natural selection
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How does isolation contribute to it?
Species separate into areas with slightly different environments - breed and evolve - cause changes through natural selection - eventually differ so much that can't breed
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Other cards in this set
Card 2
Front
What book did he write based off years of research on expeditions around the world?
Back
Origin of species
Card 3
Front
He noticed differences in beaks of ___ on different islands
Back
Card 4
Front
Why were the beaks different?
Back
Card 5
Front
His theory was that all species have ___ from simple life forms that first developed more then 3 billion years ago
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