Sentence examples for described based on morphological from inspiring English sources

Five subspecies of hippos have been described based on morphological differences in their skulls and geographical differences: H. a. amphibius – (the nominate subspecies) which stretched from Egypt, where they are now extinct, south up the Nile River to Tanzania and Mozambique H. a. kiboko – in Kenya in the African Great Lakes region, and in Somalia in the Horn of Africa.

Several hundred species and genera have been formally described since the 1800s [19], but the true diversity may be much greater, because there has been a strong tendency to treat morphologically similar symbionts from different host species as conspecific, because virtually all species were described based on morphological criteria visible only by light microscopy [20] [27].

Three major forms of cell death have been described based on morphological criteria.

Taxonomically, many quarantine species of this fly family are well described based on morphological characteristics of adults [ 10].

The four genetic groups that we found do not entirely correspond to the four subspecies described, based on morphological characters [ 4, 13].

These three species were described based on morphological differences in the length and orientation of setae on the hind legs and on the distal margin of the wings, by which they are clearly distinguishable [ 24].

The species P. cristiceps was originally described based on external morphological characteristics as well as some skeletal features [3].

While the numbers in Table 2 are unlikely to change substantially in the short term, new species continue to be described, based on both morphological studies and molecular methods that recognize cryptic speciation.

Historically, Alexandrium species were described based on microscopic observations of morphological features including plate patterns, cell size and shape, and secondary characteristics such as chain formation.

However, the Bayesian analysis of the AFLP data, which provide many loci spread across the genome, provides a more resolved phylogeny for the subfamily in which many relationships are congruent with previously described relationships based on morphological evidence [ 26, 102- 104].

A variety of climbing mechanisms have been described that are based on morphological modifications of above-ground organs.