Which of the following pairs is mismatched?

A) littoral lake zone-closest to shore
B) benthic zone-lake or ocean floor
C) limnetic lake zone-on surface away from shore
D) profundal zone-division of the open ocean
E) epipelagic-upper part of open waters of ocean

Mismatched

Not properly or suitably matched; often used in the context of DNA sequences where bases do not align properly.

Littoral Lake Zone

The shallow area around the perimeter of a lake where light reaches the bottom, supporting aquatic plants.

Benthic Zone

The ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.