2. List 10 things that could be found in an ecosystem. (Do not include my
examples)
Your answer

tropical rainforest

temperate forest

taiga

grassland

desert

tundra

river and stream

coral reefs

littoral zones

still water

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.