Fertilization occurs when sperm swim to an egg inside an archegonium, and fertilization occurs when the egg and sperm fuse and join. Given these facts, what happens in the archegonium among the following options:
- eggs separate
 - Earth orbiting the Sun
 - sperm and egg fuse
 - competition
 - fallopian tubes join
 - permineralization
 - It expands
 - cloning


 

   sperm and egg fuse      