They have a similar morphological or physiological complexity, and they are often adapted to the same way of life.

Linguists find the language fascinating because of its morphological and phonological complexity.

In alpha taxonomy, a grade refers to a taxon united by a level of morphological or physiological complexity.

The Northeast Caucasian languages are characterised by great morphological complexity in the noun.

Evolutionary change in the morphological complexity of the mammalian vertebral column.

The cephalon of trilobites is highly variable with a lot of morphological complexity.

As Nusslein-Volhard points out, morphological complexity does not correlate with size of genome.

A trilobite's cephalon, or head section, is highly variable with a lot of morphological complexity.

This article is an introduction to this morphological complexity.

Because of the morphological complexity exhibited by this family, agreeing on generic circumscriptions has often been difficult for taxonomists.