Tagged: eutheria

January 7, 2017

Orders, General characteristics of Eutheria and Modern technologies in classification of living organisms

All living Eutherians are placental mammals , The Eutherian fetus is fed during gestation by the placenta , Eutherians are distinguished from noneutherians by various phenotypic traits of the feet , the ankles ,...

Biology

January 5, 2017

Classes and General characteristics of Vertebrates

Class : Agnatha Endoskeleton is cartilaginous , The body is thin , long and eel-like , with no paired fins , The mouth is circular , funnel-shaped contains a rough tongue that provided with...