Which side of a philosopher layer is attracted to water the head or tail

The Head attracts, the tail repels

The head usually attracts. And the tail usually repulses or pushes back water :)

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands