m11.    What is the aesthetic and recreational importance of organisms?

About 50% of Americans and 84% of Canadians participate in bird watching, photography, and other nondestructive outdoor recreation involving wildlife. Kenya, a living male lion generates $515,007 in tourist dollars in 7 years.  Its hide generates only $1,000. The 20,000 elephants in Africa bring in about $20,007 per year.  In its lifetime a single elephant is worth about $1 million. Rwanda still has the mountain gorilla because of tourism.

e11.    What types of old-growth forests are there?

g07.    How did plate tectonics affect the diversity of ecosystems?

g17.    Is some matter more useful than other matter?