The lobster has an exoskeleton.
The definition of an exoskeleton is a hard supporting structure on the outside of the body.
An example of an exoskeleton is a lobster's shell.
any hard, external, secreted supporting structure, as the shell of an oyster or the cuticle of a lobster
A hard outer structure, such as the shell of an insect or crustacean, that provides protection or support for an organism.
From exo- + skeleton.
- Even though Ebirah doesn't have any super powers, his strong pincers, tough exoskeleton and swift swimming abilities make him a formidable foe.
- We come, accordingly, to regard it as practically an exoskeleton, and its functions as distinctly subordinate to those of the protoplasm which it clothes.
- Linnaeus in his Systema naturae (1735) grouped under the class Insecta all segmented animals with firm exoskeleton and jointed limbs - that is to say, the insects, centipedes, millipedes, crustaceans, spiders, scorpions and their allies.
- In its simplest form the exoskeleton of a typical somite is a ring of chitin defined from the rings in front and behind by areas of thinner integument forming moveable joints, and having a pair of appendages articulated to its ventral surface on either side of the middle line.
- In the abdominal exoskeleton the segmental structure is very clearly marked, a series of sclerites - dorsal terga and abdominal sterna - being connected by pale, feebly chitinized cuticle, so that considerable freedom of movement between the segments is possible.