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16 Cards in this Set
- Front
- Back
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What is evolution?
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The idea that life changes, species that exist today are different from those of the past
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What did Anaximander contribute to evolution?
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1. Thought life gradually changed from sea to land dwelling organisms.
2. Looked for natural explanation to explain natural phenomenon |
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What did Aristotle contribute to evolution?
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1. Species were fixed and unchanging
2. Scalae naturae= first form of taxonomy |
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What did Lineaus contribute to evolution?
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1. First to classify living things in groups
2. Binomen system- naming system |
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What did Hutton-Laid contribute to evolution?
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Gradualism
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What is Gradualism?
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Geologic events take place gradually over time
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What did Lyell contribute to evolution?
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Promote principle of Uniformitariansim
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What is the principle of Uniformitarianism?
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1. Ideas and changes we see today can be used to explain changes in past
2. Mechanisms of change constant over time |
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Explain the fossil record with age of rocks
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Oldest on bottom, youngest on top
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What is Catastrophism?
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Idea that changes were brought about by large scale events
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What is Lamarck's Hypothesis of Evolution?
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Acquired characteristics
Use and Disuse Does not fit with today |
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What else did Darwin accomplish in life?
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Naturalist
Coral reef formation Barnacles Sexual selection HMS Beagle Origin of Species |
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What is important about Darwin's experiments in South America?
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Species in tropic Brazil, grassland argentina, and tundra of Tierra del fuego similar than to tropical Africa, or European grassland species
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What is the importance of the evolution of 3TC in HIV?
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Enzyme used to take HIV genome and change it into DNA
3TC is a drug that mimics nucleotide In presence of drug, strains of HIV increase in population |
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What is homology?
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Evolution by descent with modification
Underlying similarity in traits with different functions |
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What are vestigial characters?
What are some examples? |
Vesitges of evolutionary ancestral organisms
Coccyx, Wisdom teeth |
