Fact 1: Fission takes place when an animal divides into two parts.

Fact 2: Actual stages of mitosis can be viewed at Animal Cell Mitosis .

Given the two facts above, answer the question "what does fission take place?" with the following options: 
- mitosis
 - digestion
 - fusion
 - heat
 - Energy.
 - h2o
 - ligt
 - Energy


 

 mitosis        