Question

Which ecosystem has the greatest biological diversity and therefore the highest sustainability

Answer 1

Species richness is greatest in tropical ecosystems. Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

Answer 2

Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

Step-by-step explanation:

definitely D because a rainforest is extremely vast when it comes to different species