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Because they are invertebrates.. Invertebrates are animals without backbones, therefore they have no other bones either.
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∙ 12y ago
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Do worms have an exoskelton?
No, worms do not have any skeleton at all.
Do worms have backbons?
No, worms generally have hydrostatic skeleton, they possess no vertebral column
Which of these do not have an inside skeleton- pig worm snail?
Worms and snails do not have an inside skeleton- but pigs do.
Does an earth worm have a hard skeleton?
No it does not. Earth worms do not have bones.
Why do worms not need a skeleton?
Worms do not need a skeleton as, unlike many animals of the same build, they interact with the environment differently. Worms have no need for a skeleton as they mostlly live in the earth. Therefore through everlution have lost the chemical, Phyniside, that "orders" the new cells of the organism to "become" part of the skeleton.
Does a wolverine have a skeleton?
Yeah, Of course they does ... besides shellfish and bugs with exoskeletons, only worms don't have any sort of skeleton.
Why do earth worms not need a skeleton?
Because they live in the earth, so therefore they don't need the skeleton, unlike us.
What is the main difference between an earthworm and a snake?
Snakes have a skeleton - worms don't.
What is a skeleton a example of?
jellyfish worms starfish sea urchins coral sea anemones
Does a worm have an inside skeleton?
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.
What anima doesn't have a skeleton or a exoskeleton?
There are a number of them : sea sponges, worms, cnidarians to name a few.
What is a example of a hydraulic skeleton?
jellyfish worms starfish sea urchins coral sea anemones
