Answer:
The correct answer is option (e)-"Postzygotic barrier".
Step-by-step explanation:
A postzygotic barrier is a mechanism that reduces the viability and reproductive success of hybrid offsprings. In this case, a lion and tiger have an offspring that have poor survival in the wild. This is an example of postzygotic barrier, the offsprings are called ligers or tigons, which are rare in nature since they do not live long and have poor reproductive success.