Evolution, speciation and conservation conflicts Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. In a population of 150 diploid plants, 90 copies of allele R are counted. What is the frequency of R?
- A. 0.30
- B. 0.60
- C. 0.50
- D. 0.90
2. Which statement about mutation and natural selection is correct?
- A. Selection creates the alleles that organisms need
- B. Mutation produces new alleles at random and selection changes their frequency
- C. Mutation only occurs in response to the environment
- D. Selection acts on alleles that are not expressed
3. Two populations of snails live in the same pond, but one feeds and breeds on the surface weeds and the other on the pond floor, and they rarely meet. This is most likely to lead to:
- A. Allopatric speciation
- B. Convergent evolution
- C. Sympatric speciation
- D. Extinction
4. Which feature of a scientific report best indicates that its conclusions are reliable?
- A. It was published on a company website
- B. It has been peer reviewed and gives its methods and data in full
- C. It was written by a well-known person
- D. It agrees with what the funder expected
5. Why might a biofuel not be carbon neutral?
- A. Plants do not take up carbon dioxide
- B. Burning it releases no carbon dioxide
- C. Clearing forest to grow the crop releases stored carbon
- D. Biofuels are not renewable