bio 101: introduction to genetics - BIO 101 EVOLUTION NEW PLENTY
Practice test covering 10 questions in 20 minutes. All questions are multiple-choice.
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What is the primary mechanism driving evolutionary change in populations over time?
Which type of evolution is characterized by two or more related species evolving in different directions from a common ancestor, leading to increased differences over time?
Which evolutionary force causes random changes in allele frequencies due to chance, especially in small populations?
What is the term for the process by which new species form, often occurring when a single ancestral species evolves into multiple species to fill various ecological niches?
What is the primary source of genetic variation, which can lead to new species if mutations confer survival advantages?
Which type of evolution is characterized by unrelated species evolving similar traits independently, often as a result of adapting to similar environments or ecological niches?
Which evolutionary force increases genetic diversity and reduces differences between populations by transferring genetic material between populations through migration?
What is the term for the process by which two species influence each other's evolutionary pathways, leading to mutual adaptations?
Which type of evolution is characterized by two related species evolving similar traits independently after diverging from a common ancestor due to similar selective pressures?
Which evolutionary force causes random, heritable changes in an organism's DNA, potentially introducing new alleles that may lead to new traits?