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No, crayfish are invertebrates, as they have an external hard covering, and they do no not suckle their young!
externally
externally
this is the answer they are both living things also that they both have external skeletons
legs- walking, jumping
Head: foremost part of a crayfish.Thorax: upper part of a crayfish's body.Abdomen: lower part of a crayfish's body.Exopodite: external part of the uropod.
Lobsters do not have internal skeletons, but they do have external skeletons (exoskeleton), which are their shells.
Crayfish
Crayfish have an external skeleton and starfish have an internal skeleton relying on a water vascular system for movement.
The job description of a verifier is different depending on the job. There are insurance, internal, sales and external verifiers. A verifier basically checks the validity of information.
My older crayfish died and my littler crayfish has not yet how do/can they die?
Crayfish are known as both crayfish and yabbies in Australia. "Yabbies" are freshwater crayfish, often found in rivers, creeks and dams in rural areas.