The polyp is regarded, on this view, as a form phylogenetically older than the medusa, in short, as nothing more than a sessile actinula. [Please select]
0
He assumes that muscles with parallel fibers are more primitive, phylogenetically, than are those with fibers arranged pinnately. [Please select]
0
Some of these attachments might be reduced or absent in special cases, but they seem to have been the ones originally present both phylogenetically and embryonically in Amphibia. [Please select]
Do you have a better example in your mind? Please submit your sentence!