In General,humans Can Harvest Renewable Resources of Plants and Animals

Multiple Choice

In general,humans can harvest renewable resources of plants and animals at sustainable levels because

A) ecosystems continue to change with new species replacing those that have been harvested.
B) new species are always evolving to take the place of those that are harvested.
C) organisms naturally produce many more offspring than are needed to maintain their populations.
D) people naturally harvest organisms only after they have had a chance to reproduce.