6-1 Natural Selection
Quiz by Jennifer Faulknor
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11 questions
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- Q1organisms with traits that make them better adapted to their environment will live longer and reproduce more than organisms less adapted to their environmentnatural selection30s
- Q2all the genes available in a populationgene pool30s
- Q3migrationgene flow30s
- Q4when traits favor reproduction, even though they may decrease an organisms ability to survivesexual selection30s
- Q5biological change over time that causes descendants to be different from their ancestorsevolution30s
- Q6when allele frequencies are stable and unchanging, therefore evolution is not occurringgenetic equilibrium30s
- Q7a physical trait that increases an organisms ability to survive in its environmentadaptation30s
- Q8principle of natural selection that explains how beneficial traits should become more common over time, causing a change in alleleic frequenciesdescent with modification30s
- Q9random change in gene frequency over time. Rare alleles in a population will decrease (or increase) in frequency. Changes are more apparent in small isolated populationsgenetic drift30s
- Q10differences in physical traits. Random mutations are the ultimate source. Also recombination and migration.variation30s
- Q11organisms have lots of offspring that lead to limited resources and competition for those resourcesoverproduction of offspring30s