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number one the water is able to give enough support to a life form as long as it is surrounding the the animal.Ex. Jellyfish
Number two the hard shell with other stuff STUFFED inside also provides enough support
Wiki User
∙ 10y ago
Wiki User
∙ 12y agoIts shell or 'exo-skeleton' supports its body instead of an internal skeleton.
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What structure supports a crab?
the pie system
Which of these animals does not have a backbone?
Crab
Does a Crab has backbone and gills for breathing?
No, crabs are "invertebrate" animals, they do not have a backbone.
Does a horseshoe crab have a backbone?
Noooooo! A crab is an arthropod! (invertabrate)
What is the crab structure used for protection?
what is the body structure used for protection of a crab
Is a crab a vertebae?
No, crabs have an exoskeleton so they do not need a backbone.
What are some information about a hermit crab?
they are invertebrate which means they do not have a backbone
What is a crabs body structure?
what is the body structure used for protection of a crab
Is a hermit crab an invertebrate or vertebate?
they are an invertebrate because they dont have a backbone
Is a hermit crab a vertebrate?
no because it do not have a backbone so it is considered invertbrate
Are Sand fiddler crab vertebrates?
No. No species of crab is a vertebrate. Vertebrates have a vertebral column (backbone) that is part of an internal skeleton. Crabs are crustaceans, and their skeleton covers the outside of their body, like plate armor - they have no backbone.
How does a crab exoskeleton help it survive?
The crab's exoskeleton helps and supports its body. It protects the soft body of the crab. It is also waterproof, so it will protect it underwater, too.
