In a fern's reproductive cycle, how do the antheridium and archegonium interact to facilitate reproduction?

Antheridium produces spores, which fertilize the archegonium

Archegonium releases spores that grow into new plants

Antheridium produces sperm, which swim to fertilize the egg in the archegonium

Antheridium and archegonium fuse to create a zygote