Options are:
a). pre-flowering;
b). death;
c). fertilization;
d). Energy.;
e). food and shelter;
f). hydration;
g). Animal survival;
h). survival;
Q: Fact 1: Pollination is the fertilization step in the sexual reproduction of plants. Fact 2: Bees are absolutely essential for pollination. Given the two facts above, what step are bees essential in during the sexual reproduction of plants?
A:
c).