2006-08-18 02:26:46 · 12 answers · asked by hgaleza 1 in Science & Mathematics ➔ Other - Science
its called an exoskeleton. Not bones in the same sense that we have though.
2006-08-18 02:32:49 · answer #1 · answered by John J 6 · 0⤊ 1⤋
No bugs have an exoskeleton, which is somewhat of a hard outer skin layer.
An exoskeleton, in contrast to an endoskeleton, is an external anatomical feature that supports and protects an animal's body. All arthropods (such as insects, spiders and crustaceans) and many other invertebrate animals (such as shelled mollusks) have exoskeletons. Lobsters, for example, have tough outer shell systems which provide rigidity and shape to their bodies, in addition to an endoskeleton; the endoskeleton of arthropods is continuous with, and shed at the same time as, the exoskeleton.
An insect's exoskeleton (integument) serves not only as a protective covering over the body, but also as a surface for muscle attachment, a water-tight barrier against desiccation, and a sensory interface with the environment. It is a multi-layered structure with four functional regions: epicuticle, procuticle, epidermis, and basement membrane. Note that while the arthropod exoskeleton is chitin-based, it is not composed entirely of chitin; in fact, the membranous portions of the exoskeleton and endoskeleton are closer to pure chitin than the hardened external sclerites.
Humans have long used armour as an artificial exoskeleton for protection, especially in combat. Exoskeletal machines are also used for medical and industrial purposes. Powered human exoskeletons are a feature of science fiction writing. Orthoses are a form of exoskeleton.
2006-08-18 02:32:46 · answer #2 · answered by Anonymous · 1⤊ 0⤋
Most insects are invertebrates- meaning they have no spine, and thusly no other bones, either. They have what is called an exoskeleton. ("Exo-" meaning outside.) It is a hard shell or spines that give their body shape and support, but it is outside their body instead of inside like our bones.
2006-08-18 02:33:05 · answer #3 · answered by Robin J. Sky 4 · 0⤊ 1⤋
Thier hard shell is what's called an "exoskeleton", meaning thier bones are on the outside (hence hard shells)
Humans have an "indoskeleton", meaning our bones are on the inside.
2006-08-18 02:31:55 · answer #4 · answered by KLD it. 4 · 0⤊ 2⤋
Insects do not have bones. They have an outer skeleton which is tough enough to protect the insect and keep it from drying out.
2006-08-18 02:32:33 · answer #5 · answered by willie_wally 2 · 0⤊ 1⤋
I think bugs have no bones.
2006-08-18 02:30:48 · answer #6 · answered by Light in the Dark 2 · 0⤊ 1⤋
They have exoskeletons. Not really bones.
2006-08-18 02:32:47 · answer #7 · answered by thegodfather 2 · 0⤊ 1⤋
No insects have an exoskeleton
2006-08-18 03:57:56 · answer #8 · answered by Anonymous · 0⤊ 1⤋
It's an exoskeleton
2006-08-18 02:32:18 · answer #9 · answered by Anonymous · 0⤊ 1⤋
No. They have exoskeletons.
2006-08-18 02:31:29 · answer #10 · answered by Jared Z 3 · 0⤊ 1⤋