题目内容

A coastal ecosystem that has land on 3 sides, access to the ocean, higher water temperatures, low salinity, and rivers feeding into it is called a(n)

A. salt marsh
B. estuary
C. swamp
D. bog
E. reef

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In a lake ecosystem, away from shore, sunlight will only penetrate to the end of the

A. littoral zone.
B. limnetic zone.
C. benthic zone.
D. intertidal zone.
E. profundal zone.

The "coastal" area of a lake or pond is called the

A. littoral zone
B. limnetic zone
C. benthic zone
D. intertidal zone
E. profundal zone

The intertidal zone is to a marine biome as the _____ zone is to a freshwater biome.

A. benthic
B. profundal
C. limnetic
D. littoral
E. pelagic

Which of the following is not a zone of freshwater ecosystems?

A. saltmarsh
B. bog
C. marsh
D. wetland
E. lake