Podcast
Questions and Answers
Which of the following is an example of microevolution?
Which of the following is an example of microevolution?
- The development of complex multicellular organisms from single-celled ancestors
- Changes in the beak size of finches on an island due to variations in seed availability (correct)
- The emergence of a new species of bird from an existing population
- The extinction of dinosaurs due to a catastrophic event
What is the primary source of genetic variation in a population?
What is the primary source of genetic variation in a population?
- Genetic drift
- Natural selection
- Gene flow
- Mutation (correct)
Which of the following best describes convergent evolution?
Which of the following best describes convergent evolution?
- The development of new species due to geographic isolation
- The evolution of two species from a common ancestor
- Unrelated species evolving similar traits due to similar environmental pressures (correct)
- The process of species becoming more different from each other over time
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