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Cards In This Set
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What is evolution?
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Evolution is defined as a change in a species over time.
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State the 1st basic ideas behind the theory of evolution.
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The traits of an organism change over time
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State the 2nd basic ideas behind the theory of evolution.
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The reasons for these changes can be understood
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State the 3rd basic ideas behind the theory of evolution.
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New types of species arise as these changes accumulate.
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What is a theory?
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A theory is a proposed explanation for a wide variety of observations and facts
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How much evidence supports a theory?
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The evidence that supports a theory is a great deal
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What is Linnaeus mainly known for?
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Linnaeus was mainly known for his classification system that grouped organisms based on their similarities
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What did Linnaeus’ system (work) show in terms of evolution and the role genetics played to make it happen?
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It shows that some of the organisms he classified were not fixed but may have arisen from others through hybridization
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What was the first idea of Buffon’s work tie him to evolution?
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That species shared ancestors instead of arising separately
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What was the second idea of Buffon’s work tie him to evolution?
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What ideas did Erasmus Darwin contribute toward evolution?
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What was the first idea that Lamarck propose in terms of evolution?
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That all organisms evolved toward perfection
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What was the second idea that Lamarck propose in terms of evolution?
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Complexity and that changes in the environment caused organisms to change and that they were therefore somehow adapted to their environment.
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Name and describe Lamarck’s first assumption.
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Desire to change, which means that organisms have an inborn urge to better themselves and become more fit for their environment
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Name and describe Lamarck’s second assumption.
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Use and disuse, which is that change occurred because organisms could alter their shape by using their bodies in new ways
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