Sentences with phrase «turtle embryonic development»
Not exact matches
The researchers discovered that both major living lineages of birds (the common neognaths and the rarer paleognaths) differ from the major lineages of non-bird reptiles (crocodiles, turtles, and lizards) and from mammals in having a unique, median gene expression zone of two different facial development genes early in embryonic development.
https://www.sciencedaily.com/
Turtles are the only beasts in the animal kingdom that don hard outer shells formed from bone during embryonic development, and a scarcity of ancient turtle fossils has made it difficult to track the evolution of this unique trait.