Bell Ringer: What's going on in this graph? Predator prey Dynamics
Hare (red)
Lynx (blue)
100
w
50
1845
1865
1905
1925
1885
Time (years)
Anwar an lidah

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.