Variations in populations
Read about the different types of natural selection on pages 434-435 in your textbook
1. Explain the effects of stabilizing selection.
2. Explain the effects of directional selection.
3. Explain the effects of disruptive selection.
4. What do these three types of natural selection have in common?
5. Identify the type of natural selection illustrated by figure 1 below.
6. Hypothesize environmental conditions from figure 1 below that could lead to a shift in the
coloration of the snail population.
7. Identify the type of natural selection illustrated by the figure 2 below.
8. Hypothesize from figure 2 below, why the natural selection of the squirrel population would
change from disruptive selection to directional selection.