According to the Defenders of Wildlife, the Top Three Most

Multiple Choice

According to the Defenders of Wildlife, the top three most endangered ecosystems in the U.S. include:

A) Northwestern grassland, Heartland savanna, and California native grassland
B) South Florida landscape, Southern Appalachian spruce-fir forest, and longleaf pine forests and savannas.
C) Alaskan tundra, Hawaii's rainforest, and coastal wetlands
D) Bogs, Arizona's deserts, and Rocky Mountain evergreen forests
E) Freshwater lakes, prairie lands, and volcanic landscapes