What Is Life? 2nd Edition by Jay Phelan

Exercise 13

Madagascar is unusually important to conservation because it:
A) has more species per unit area than any other place on earth.
B) is the fourth largest island in the world.
C) is home to more endangered species than any other country.
D) has a higher percentage of endemic plants and animals than any comparably sized area on earth.
E) is the native habitat of the rosy periwinkle, a rain forest plant that helps cure childhood lymphocytic leukemia.