Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.
Definition: A morphological quality inhering in a bearer by virtue of the bearer's ratios of distances between its features (points, edges, surfaces and also holes etc).
Comment: Shapes are invariant on size transformations. Shapes can be subdivided into 2D and 3D shapes, We can also make a distinction between shapes of complete self-connected objects, and shapes of parts of objects.