Sentence examples for based on external morphology from inspiring English sources
Major groupings are in partial agreement with earlier morphology-based and molecular phylogenetic hypotheses, but some relationships were unexpected, based on external morphology.
Our study includes 11 specimens from six geographically distinct sampling sites, identified as, or characterized as similar to C. simula based on external morphology.
There are several other, less striking examples where the position of taxa in our phylogeny conflicts with relationships suggested in classifications based on external morphology.
In octocorals, species identification has traditionally been based on external morphology (axis, branching pattern, calyx morphology, polyp arrangement, surface texture, coloration, etc).
Lenok from this region are known as B. lenok tsinlingensis [ 31], but [ 32] and [ 33] place them together with Siberian blunt-snouted lenoks based on external morphology.
However, our results do not support the sister relationship between Ohrid belvica and softmouth trout as previously hypothesized based on external morphology [ 53] and mtDNA genetics [ 19].
The earliest were based purely on external morphology of the plant, but later systems take into consideration the results of cellular, embryological, physiological, and histological studies.
Visual assignment to any developmental stage is approximate given that classification is based solely on external morphology.
A similar system was developed to identify BG and SG individuals since species affiliation of larvae and juveniles cannot always be accurately determined based solely on external morphology.
The Tanner scale (Tanner 1962), which involves the use of pictures of the breast reflecting developmental stages from the absence of development (stage 1) to adult breast development (stage 5), is based mainly on external morphology.
