Exam (elaborations)
Bio 117 WVU Questions with correct answers
- Course
- Bio 117 WVU
- Institution
- Hondros College School Of Nursing
Bio 117 WVU Questions with correct answers
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Bio 117 WVU Questions with correct answerswhich evolutionary process results in adaptation? Correct Answer-
Natural selection is the only evolutionary process that results in adaptation
Stabilizing selection Correct Answer-favors the intermediate phenotype, and selects against extremes in a population
Disruptive selection Correct Answer-favors extreme phenotypes, and selects against intermediate phenotypes
Directional selection Correct Answer-favors one extreme phenotype, and selects against the other phenotypes
natural selection Correct Answer-A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
gene flow Correct Answer-is the movement of alleles between populations
If gene flow in a population introduces a beneficial allele, then fitness will Correct Answer-
ancestoral trait Correct Answer-trait shared by a group of organisms as a
result of descent from a common ancestor derived trait Correct Answer-a trait that differs from the ancestral trait
Clade Correct Answer-A group of species that includes an ancestral species and all its descendants.
Synapomorphy Correct Answer-shared derived trait
homoplastic traits Correct Answer-similar traits generated by convergent
evolution and evolutionary reversals
polyphyletic group Correct Answer-does not include the common ancestor
genetic drift Correct Answer-random change in allele frequencies that occurs in small populations
founder effect Correct Answer-change in allele frequencies as a result of
the migration of a small subgroup of a population
bottleneck effect Correct Answer-Genetic drift resulting from the reduction of a population, typically by a natural disaster, such that the surviving population is no longer genetically representative of the original population.
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