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15 Cards in this Set
- Front
- Back
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Creationism
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theory that states origin of life and living things are created by higer power/God
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Uniformitarianism
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theory stated that if a higher power made all life, then that life should not change in appearance.
-All living things remain the same as when creared. **wrong because strata (layers of rock) changed |
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Lamarckianism
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Named for Jean Baptiste Lamarck. Stated that if an organism needed a certain trait, they get it, and pass it to thje offspring.
**wrong. cannot change information in your DNA |
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Fitness is a measure of
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ability to survive and reproduce
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Darwin's book "On the Origin of Species by Means of Natural Selction" was published in
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1859
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Darwin did not use the term evolution..he used
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Descent with Modification
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According to Darwin..
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-Life descended from a common ancestor
-Diversity of a life is like a tree. -As organisms move to different environments, they change -Natural selction allows best adapted to survive and reproduce |
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Variation arises from 2 sources..
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-Mutation
-Sexual Reproduction |
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Speciation is also called
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macroevolution
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changes in allele frequencies for a particular in a population is called..
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microevolution
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Taxonomy
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classified according to degree of similarity of structures
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vestigial strucutres
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organs of structures in a species that are reduced in size/importance
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Microevolution
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small changes within a species
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Macroevolution
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major changes like speciation [when one species diverges into two seperate species]
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5 Isolating Mechanisms
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-Geographic Islolation
-Ecological Isolation -Temporal Isolation -Behavioral Isolation -Mechanical Isolation |
