The habitat descriptions also include statements on the composition of the bottom (for example, silt, mud, sand, or gravel) and, occasionally, water flow.
(The habitat descriptions; include; statements on the composition of the bottom (for example, silt, mud, sand, or gravel) and, occasionally, water flow)
The habitat descriptions
include
statements on the composition of the bottom (for example, silt, mud, sand, or gravel) and, occasionally, water flow