BODY

SPECIES

simple

compound body

human body regions

cavities

walls

Differences concerned with the of having

HEAD

Differences attributed to

head of different shapes

head having peculiar parts

Trunk semantograms

differences attributed to

of different shapes

having peculiar parts

limbs

differences attributed to

limbs having peculiar parts

having number of limbs

limbs modified in to

wings

fins

fishes

having no limbs

snakes