You are presented with the question "he penetration of the egg by a sperm takes place inside what?" and the following answer choices: 
- Microscope
 - an object
 - ejaculate
 - epidermis and dermis
 - male organism
 - female organism
 - Veins and arteries.
 - testicles

Now knowing that fertilization takes place inside the female organism and fertilization is the penetration of the egg by a sperm, choose the best answer.


 

      female organism   