Answer:
The correct answer is option- coral reef
Explanation:
Coral reefs are considered the most diverse biodiversity on the earth. The highest biodiversity of any other ecosystem present on the earth.
The tropical rainforest is said to be the highest biodiverse ecosystem on land. Coral reefs have more than 25% life of the marine life which is more than what is tropical rainforest have on land.
Thus, the correct answer is option- the coral reef.
