BIO110 Biology Non-Lab FINALS REVIEW QUESTIONS & ANSWERS

BIO110 Biology (Non-Lab) FINALS REVIEW QUESTIONS & ANSWERS
1. Which of the following is a primary factor contributing to
genetic variation in populations?
 - A) Genetic drift
 - B) Mutation
 - C) Natural selection
 - D) Gene flow
 - ANS: B) Mutation
2. Which of the following best describes the concept of an
ecological niche?
 - A) The physical space an organism occupies
 - B) The role and position a species has in its environment
 - C) The genetic makeup of a population
 - D) The reproductive rate of a species
 - ANS: B) The role and position a species has in its
environment
3. Which of the following is a key component of the cell theory?