Tagged: Vertebrates

Movement in plant 0

Types of movement in living organisms and Movement in plant

Movement is a phenomenon that characterizes all living organisms and it arises by itself, as a result of the exposure of the living organism to a stimulus, therefore the living organism may respond positively...

Vertebrates 0

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...