A) Endemism - Species confined to one region and not found anywhere else is called endemic species.
B) Hotspots - Regions with species richness are called hotspots.
C) Clarias gariepinus- Is an alien species to India.
D) Amazon rain forest - Is known as 'Lungs of the planet'.
E) IVF- Stands for In Vitro Fertilization, not a method of In situ conservation.
So, the correct answer is 'In situ conservation IVF'.