Which of the following is true about stream banks?

Stream banks are indeed areas that are above the water level of a stream. They serve as the sides of the stream, providing structure and stability to the waterway. Stream banks play a crucial role in managing water flow and preventing erosion. They also act as habitats for various terrestrial and aquatic species and contribute to the overall health of the ecosystem.

In contrast, statements suggesting that stream banks are always underwater, are the same as the streambed, or define the shoreline of a lake do not accurately describe what stream banks are. Stream banks specifically refer to the land alongside the flowing water, distinguishing them from submerged areas, the flat part of a riverbed, or the edges of a different water body like a lake. Thus, it is clear that stream banks are maintained above water level to fulfill their ecological and hydrological functions.