You are presented with the question "What happens in the archegonium?" and the following answer choices: 
- eggs separate
 - Earth orbiting the Sun
 - sperm and egg fuse
 - competition
 - fallopian tubes join
 - permineralization
 - It expands
 - cloning

Now knowing that fertilization occurs when sperm swim to an egg inside an archegonium and fertilization occurs when the egg and sperm fuse and join, choose the best answer.


 

   sperm and egg fuse      