Some of the most diverse ecosystems are in regions that lack a rich supply of resources. Coral reefs and tropical rain forests are two such examples. Explain how these systems are able to thrive in...

Some of the most diverse ecosystems are in regions that lack a rich supply of resources. Coral reefs and tropical rain forests are two such examples. Explain how these systems are able to thrive in resource-poor areas. What does this insight imply for developing human-designed systems?