1. Enhances genetic stability
-Daughter cells are genetically identical to the parent
-No variation in genetic information
2. Provides growth
-Number of cells and tissues occur
-This is the basic of growth
3. Cell replacement
E.g skin
4. Regeneration
-Some animals are able to regenerate the whole part of the body E.g arms in star-fish
5. Asexual reproduction
-It is the basis of asexual reproduction
-Occurs in many species.