A Region Along the U

Multiple Choice

A region along the U.S. East Coast has a variety of types of ecosystems. One of these ecosystems shows strong gradients in salinity, ranging from near freshwater levels to near ocean levels. Deposition of coastal sediments increases the nutrient levels of this ecosystem, enabling many fish to spend their larval stages here. This ecosystem is most likely a(an)

A) salt marsh.
B) rocky intertidal zone.
C) estuary.
D) sandy shore.