The phrase "are mostly characterized by" is correct and usable in written English.
It can be used to describe the predominant features or qualities of a subject or entity.
Example: "The species are mostly characterized by their vibrant colors and unique mating rituals."
Alternatives: "are primarily defined by" or "are chiefly marked by".
On the other hand, Eastern and Northern European cultural landscapes are mostly characterized by only one of the dimensions.
(3) Beliefs are mostly characterized by large and persistent individual heterogeneity; demographic characteristics struggle to explain why some individuals are optimistic and some are pessimistic.
The wind profiles are mostly characterized by local maxima or kinks within the first 100 m over the sea surface.
The FMS applications perform a variety of analytics and are mostly characterized by a reactive behavior.
The intrinsic properties of metal NPs such as zinc oxide (ZnO), TiO2, and silver are mostly characterized by their size, composition, crystallinity, and morphology.
Furthermore, the pathologically different focal liver lesions (FLLs) are mostly characterized by different "models" of vascularity: CEUS can mimic contrast enhanced computed tomography and magnetic resonance imaging, basing differential diagnosis on the morphological and temporal characteristics of enhancement, but with the additional unique advantage of the study being done in real-time.
The remaining OTUs (n=24), not identified as belonging to co-occurrence clusters, were mostly characterized by occurrences in a single reef or host.
Everyone agrees that the situation has brought disastrous publicity to an enterprise that has been mostly characterized by idealism and good intentions.
During a night that was mostly characterized by bland, safe Hollywood self-celebration, the fashion at least exuded the kind of discordant glamour that comes from eccentricity, individuality, and a more spontaneous kind of sisterhood.
Melanomas were mostly characterized by epidermal disarray and pagetoid cells in the epidermis, non-edged papillae, and cellular atypia at the junction, and atypical nests and bright nucleated cells in the upper dermis.
However, it is mostly characterized by an unbalanced decreased number of the β-cells unable to maintain the metabolic requirements and failure to further regenerate newly functional pancreatic islets.
