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| Before and during darwin's time,many theories of evolution had been proposed. Whith which of the following theories would Darwin most agree. |
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Definition
| Malthus suggested that species and populations were limited by the available resources and lack of resources created competition. That competition drove evolution |
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| The ardy-weinberg formula is used to estimate the frequency of carriers of allels that cause genetic disorders and traits. In considering Hardy-weinberg equlibrium equation |
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Definition
| p2(p square) +2pq repersents the percentage of individuals expressing the dominant phenotype |
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Term
| the Sout America rhea, the Australian emu, and the African ostrich are all species of birds that share similiar features but each is native to distant geographic locations. The study of these birds is an example of |
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Definition
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| Differential reproductive success is a main idea of |
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| Which of the following is true regarding the fossil record |
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Definition
| different geologic events have altered the fossil record |
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Term
| unlike a lethal mutation, a neutral mutation |
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Definition
| will occasionally be favored by a change in the enviorment |
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Term
| All of the following mechanisims drive evolution except |
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Definition
| population sin genetic equilibrium |
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Term
| changes in allelic frequencies that lead to ashift in phenotypes to one extreme, as in the pepper moth population, are an example of |
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Definition
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Term
| Balanced polymorphism, as in the case of malaria and sickle-cell anemia, is a state in which natrual selection maintains |
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Definition
| the hetrozygous condition |
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Term
| All of the folowing are prezyogtic isolating mechanisms Except |
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Definition
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Term
| The most common mode of speciation is |
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Definition
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Term
| Morphological divergence is to _________ as morphological convergence is to ___________. |
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Definition
| homologous strutures; analogous s tructures |
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Term
| All of the following statements regarding molecular comparisons are truce EXCEPT: |
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Definition
| recent lineages have the greatest differences in their DNA |
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Term
| Early Earth was considered to have areducing atmosphere rather than the oxidizing atmosphere of today. If this is true, which ofthe elements would be present in the least amoun tin early Earth's atmosphere |
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Definition
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| Stanley Miller's apparatus and experiment supported |
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Definition
| the organic molecules tcould hav been formed spontaneously on Earth |
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