Every species has its own particular specialty or adaptation. There are all sorts of organs and systems that worms do not have; they have no skeletons, no wings, no eyes, no claws, no feathers, and so forth. They are simple organisms that are well adapted to their particular ecological niche. They don't need skeletons.
Worms and snails do not have an inside skeleton- but pigs do.
Well Pigs Do Have Bones And Worms Have No Bones and Snail Has A Shell On The Out Side So Snail And Worm
NO... a worm has no internal skeleton.
worm
animals with out a skelton a worm.
A worm
Rain worm
They have a type of skeleton called a hydrostatic skeleton. This type of skeleton is a fluid filled sac which is surrounded by muscles.
slug worm jellyfish
an animal without a skeleton is an invertebrate
No it does not. Earth worms do not have bones.
invertebrates