Assume that, 20 years from now, Great Tit food availability has increased, but t
ID: 33202 • Letter: A
Question
Assume that, 20 years from now, Great Tit food availability has increased, but the year-to-year variation in food availability is the same as during Boyce and Perrins' original study. Which of the following would most likely be true about regarding clutch sizes (red bars on the graph on right) and number of surviving chicks per clutch (blue bars)?
A.Clutch size distribution will shift to the right (clutch sizes increase), while number of surviving chicks per clutch remains the same.
B.Clutch size distribution shifts to the left (clutch sizes decrease), while number of surviving chicks per clutch remains the same
C.Both distributions shift to the right (increasing).
D.Both distributions shift to the left (decreasing).
Explanation / Answer
C.Both distributions shift to the right (increasing).