Question

up to 30% of the worlds biodiversity can be found in the
a great amazon basin
b great barrier reef
c northern plains of new zealand
d savanna of australia
please select the best answer from the choices provided.

Explanation:

Up to 30% of the world's biodiversity can be found in the Great Barrier Reef, which is a significant marine - ecosystem rich in species.

Answer:

B. Great Barrier Reef