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14 Cards in this Set
- Front
- Back
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Evolution
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means change over time.
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Charles Darwin
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famous scientist proposed a mechanism for
evolution. |
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Variation
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Differences, changes within a species.
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Mutation
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Random changes in the bases of DNA to create brand new alleles.
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Fitness
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Also known as survival of the fittest.
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Adaptation
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The inherited characteristics of a species that
develops overtime in respnse to an environment. |
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Meiosis
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creates billons of unique gametes and unique
combinations. |
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Natural Selection
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traits that improve survival or reproduction accumulate in the population.
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Gene Pool |
Consists of all the genes including in the different alleles that are present |
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Predation Selection |
interaction between species in which one species uses another species as food. |
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Sexual Selection |
acts on an organisms ability to pick a mate for certain characteristics like color or a long tail. |
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Relative Dating |
Approximate estimate, the deeper the fossil the older it is. |
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Radioactive Dating |
exact, scientists use the amounts of material left in substance to determine the exact date of the fossil. |
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Homologous Structures |
Same, structurally the same on the inside, but have different functions. Evidence of a common ancestor |
