Q: You are presented with the quiz "what reproduces sexually?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mollusks reproduce sexually" and "mollusks are the dominant invertebrate". So, what's the best answer to the question?

a). A compound that donates proton;
b). spread flower seeds;
c). They have webbed feet;
d). Plant reproduction;
e). By wind and rain;
f). passenger pigeons;
g). the dominant invertebrate;
h). Something found in San Francisco;
A:
g).