Not mine, but I had to put it here anyway;
During a verbal "pop quiz" in my Biology class, one of the questions was "Name an organism that reproduces by splitting in half."
Everyone's thinking amoeba, except the girl the teacher picked. Her answer?
"A fish."
Eww.
A childhood belief about reproduction

others believed things like this
- when I was 6 years old i use to believe a catfish was half cat one fish.Anon
- When I was a boy I flushed my fish down the toilet thinking that it would go to its mommy and daddy.— Jeremy Clark
- I once knew a girl who used to believe that the sun was actaully a really bright gold fish very high up.— meow
- I used to think my elementary school gym teacher's name was "Jim Class".— Brandon Campbell
- I used to believe that a fish cake was a fish in sponge and coated in icing. I believed this until I was 9.Anon
- i used to beleive the ice cream man was a fish man - becuase i hated fish.— jordan