Biology

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Author:
xiongak
ID:
143034
Filename:
Biology
Updated:
2012-03-21 21:43:15
Tags:
Biology
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Description:
Evolution
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  1. What is Evolution? (4)
    • 1. Biological process conception
    • 2. Populations evolve not individuals
    • 3. Change is in the proportions of genes in the population's gene pool (the total of all the genes in all the individuals of the population)
    • 4. Changes take place across generations
  2. What are the 3 concepts of Evolutionary theory?
    • 1. Stipulates the theory of common descent--all life on Earth is descended from one ancestral population.
    • 2. Stipulates that microevolution over millions of years accounts for the differences in life forms.
    • 3. Stipulates that mutation, genetic drift, migration, and natural selection cause evolution.

    -Microevolution- small changes in the frequency of genes in a population

    -Macroevoluation- Changes that occur in the result of microevolution over long periods of time and result in the origin of a new species.
  3. What is Static Earth hypothesis?

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