Fertilization takes place inside the female organism.
Fertilization is the penetration of the egg by a sperm.
The penetration of the egg by a sperm takes place inside the female organism.
The penetration of the egg by a sperm takes place where?

* salt and water.
* an area swollen with pus
* By wind and rain
* outside the body
* Earth revolving around the sun
* inside the prostate
* inside the female organism
* inside the male organism