Question

What are the earth's principal biological systems and how do they form the foundation of global economic system?

Answer 1

The earth’s four biological systems - fisheries, forests, grasslands, and croplands - form the foundation of the global economic system. In addition to supplying our food, these four systems provide virtually all the raw materials for industry. Without it, none of our industries would survive, and the economy would collapse.

Answer 2

The four principal biological systems of the earth are fisheries, forests, grasslands and croplands. In addition to supplying our food, these four systems provide virtually all the raw materials for industry except minerals and petroleum-derived synthetics.