Term
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Definition
Variety of Living Things
Locally - finches on each island
Globally - Finches vary on continents
Species Change Over Time |
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Term
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Definition
Variation Among Species - organisms differ
Struggle For Existence - More Organisms Born than live
Survival of The Fittest - Organisms with favorable traits survive
Natural Selection - Variation among Species/adapt to environment
Descent with Modification - Organisms change as they Reproduce |
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Term
| What Ship And Where Did Darwin Travel on/to? |
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Definition
| H.M.S. Beagle, to the Galapagos Islands |
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Term
Darwin's Evidence for Evolution In His Book?
(There are 6) |
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Definition
Fossil Record - fossils (show how animals evolved)
Biogeography -
Comparative Anatomy:
Embryology - Study of Embryos
Genetics and Molecular Biology - what scientists rely on
Testing Natural Selection - artificial testing of NS |
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Term
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Definition
| same structure, different function |
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Term
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Definition
| Present, but no longer serves a puurpose, ex: legs on snakes, Pelvis on Whale |
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Term
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Definition
Trait that comes from your parents - Survive and reproduce
Not always best, because the environment is always changing |
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Term
Organism Succeding in it's Environment?
How is it Measured? |
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Definition
| Fitness, measured by number of offspring |
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Term
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Definition
| Consists of all the genes, including all the different alleles for each gene in a populations |
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Term
| Allele Frequency in a Gene Pool? |
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Definition
| Number of times an allele occurs in a gene pool, compared to the number of alleles in that pool for the same gene |
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Term
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Definition
| change in allele frequency that occurs within a population |
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Term
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Definition
| Changes (in Behavior) that takes place in more than a single species |
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Term
| Natural Selection and How it is the mechanism of evolution? |
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Definition
-Traits Selected by nature
-Traits passed on to offspring, trait increses over time
-Over time population changes - results in changes of inherited characteristics of a population |
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