Biological Evolution Evidence Unit Test
1. Which of the following is an example of direct evidence for biological evolution?
a) Fossil record
b) Homologous structures
c) Vestigial organs
d) Similarities in DNA sequences
Answer: a) Fossil record
2. Which of the following is an example of indirect evidence for biological evolution?
a) Fossil record
b) Homologous structures
c) Vestigial organs
d) Similarities in DNA sequences
Answer: d) Similarities in DNA sequences
3. What does the fossil record provide evidence for?
a) The extinction of species
b) The development of new species over time
c) The presence of common ancestors
d) All of the above
Answer: d) All of the above
4. Which term describes structures in different species that have a common evolutionary origin?
a) Analogous structures
b) Vestigial structures
c) Homologous structures
d) Molecular structures
Answer: c) Homologous structures
5. What do vestigial organs suggest about biological evolution?
a) They are non-functional remnants of structures that were useful to ancestors.
b) They are adaptations that have evolved independently in different species.
c) They are examples of convergent evolution.
d) They are evidence for the existence of common ancestors.
Answer: a) They are non-functional remnants of structures that were useful to ancestors.
6. Which of the following provides evidence for the theory of natural selection?
a) Genetic mutations
b) Genetic variation
c) Differential reproductive success
d) All of the above
Answer: d) All of the above
7. What does the study of DNA sequences in different species allow scientists to do?
a) Determine the evolutionary relationships between species
b) Identify common ancestors
c) Track the patterns of genetic changes over time
d) All of the above
Answer: d) All of the above
8. What is the primary driving force behind biological evolution?
a) Genetic mutations
b) Genetic drift
c) Natural selection
d) Sexual selection
Answer: c) Natural selection
9. What is the term for the process by which species gradually change over time?
a) Mutation
b) Adaptation
c) Speciation
d) Evolution
Answer: d) Evolution
10. Which of the following concepts is NOT supported by the evidence of biological evolution?
a) Common ancestry
b) Natural selection
c) Intelligent design
d) Genetic variation
Answer: c) Intelligent design