For 10 points, what is this third-largest ocean in the world, containing the island of Madagascar and bordering its namesake subcontinent?
An island in this body of water contains Dracaena cinnabari, or dragon blood tree, along with a namesake sunbird; that island is located north of the British naval base on Diego Garcia. One theoretical bottleneck in human evolution was caused by the Toba super eruption, which occurred on an island in this body of water notably home to endemic tiger and rhino species. Cowry shells are traded on this body of water due to their abundance. Lemurs are only found on a particularly large island on this body of water. For 10 points, what is this third-largest ocean in the world, containing the island of Madagascar and bordering its namesake subcontinent?
An island in this body of water contains Dracaena cinnabari, or dragon blood tree, along with a namesake sunbird; that island is located north of the British naval base on Diego Garcia.
Indian Ocean