Classification and phylogeny Quiz
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5 questions, one answer each
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1. Which statement about the species concept is correct?
- A. Species are groups that look identical
- B. Species are defined by the habitat they share
- C. A species can interbreed to produce fertile offspring
- D. Species always have the same DNA
2. What does a phylogenetic tree show?
- A. The evolutionary relationships between organisms
- B. The food chains in a habitat
- C. The geographical range of species
- D. The ages of individual organisms
3. Two fish from unrelated groups look very similar because they live in the same type of habitat. What is this called?
- A. Speciation
- B. Natural selection
- C. Genetic drift
- D. Convergent evolution
4. Why is peer review important when a new classification is proposed?
- A. It makes sure the authors are paid
- B. It allows experts to check the methods and conclusions
- C. It proves the results are correct
- D. It gives the new group a name
5. Which evidence led to the division of the prokaryotes into the domains Bacteria and Archaea?
- A. Differences in the shape of cells
- B. Differences in size
- C. Differences in the number of organelles
- D. Differences in ribosomal RNA base sequences