Order the major events in the generalized life cycle of a cnidarian as they occur starting with gamete formation on the top.
a) Gamete Formation, Fertilization, Planula Larva, Polyp, Medusa
b) Fertilization, Gamete Formation, Planula Larva, Polyp, Medusa
c) Planula Larva, Polyp, Medusa, Fertilization, Gamete Formation
d) Gamete Formation, Fertilization, Polyp, Planula Larva, Medusa