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signment Booklet 4 Unit B Total 25 Unit B: Summative Part 2 This assignment covers material in Module 4, Lessons 1 to 4. This assignment will count toward your final mark in this course. You will be allowed to submit this assignment only once. for marks. Make sure you answer all the questions, blank or incomplete assignments will not be accepted 1 1 . reproduction The advantage of sexual reproduction over asexual reproduction is that sexual A. does not allow harmful mutations to be expressed B. provides more genetic variability in a population C. ensures that the strongest characteristics from each parent are inherited by the offspring D. provides more offspring 3 2. Match each statement below with the theorist who would support it. Statement Theorist Ducks have webbed feet well suited for A. Lamarck swimming. Ducks that spend the majority B. Darwin of their time swimming will develop larger webbed feet. The offspring of the swimming ducks will inherit these large webbed feet. Woodpeckers use their long beaks to pry insects out of wood for food. When food is scarce, only the woodpeckers with the longest beaks can access the food and pass this trait on to their offspring. White mice are seen easily on the brown grass during a drought. The year after a drought, the abundance of white mice will decrease in a population. 2 3. Compare and contrast Darwin and Lamarck's theories. Describe each perspective on inheritance, change, variability, and environmental pressures. 5 ADLC | Biology 20