Free Concept of Evolution MCQs with Answers
42 Concept of Evolution MCQs from Biology, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
42 questions · page 5 of 5
41. Gene flow between populations
- A. Increases genetic differences
- B. Decreases genetic differences
- C. Has no effect
- D. Causes speciation
Explanation: Gene flow (migration) decreases genetic differences between populations by exchanging alleles.
Correct answer: Decreases genetic differences42. Punctuated equilibrium proposes
- A. Constant slow change
- B. Rapid change followed by stability
- C. No change over time
- D. Only gradual change
Explanation: Eldredge and Gould's punctuated equilibrium proposes long periods of stability interrupted by rapid speciation events.
Correct answer: Rapid change followed by stability