Sentence examples for based only on morphological from inspiring English sources

It is difficult to distinguish them based only on morphological characteristics.

Taxonomy of the Ostreopsis species based only on morphological characteristics is rather controversial due to the high morphological variability of both natural populations and cultured specimens [17] and therefore, species-specific identification by traditional method of microscopy is extremely difficult.

Therefore, our hypothesis is based only on morphological evaluation.

Traditionally, South American Pacific HABs have been assigned to A. catenella, based only on morphological evidence that has proven to be an unreliable indicator of species identification within the A. tamarense complex (Lilly et al. 2007).

MRM multifactorial evaluation, based on both morphological features and time signal intensity curves of enhancing lesions, is related to significantly higher sensitivity and higher specificity than evaluation protocols based only on one morphological or enhancing feature [ 1].

It is difficult to identify them based only on certain morphological characters, particularly the seed appearance.

Because we identified the studied strains based only on their morphological features, the set of strains could be heterogeneous and perhaps consist of molecularly different species.

With the selection based only on the morphological characteristics after fertilization, seemingly appropriate but intrinsically handicapped embryos may be cultured and transferred resulting in compromised in vitro development, or low pregnancy rates, abortions and further negative consequences.

In addition, although we have categorized cells here based only on their peptide profiles, morphological information generated during optical cell finding may contribute another dimension for cell classification.

However, phylogenies based only on a selected molecular method do not necessarily have the same topology as trees made from morphological or biochemical data [ 33, 34].

Most were based only on expert opinion.