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Exoskeletons

exoskeleton

(Science: cell biology) a skeleton, or support structure, which supports the organisms body from the outside and is formed from the ectoderm. All arthropods (spiders, insects, crustaceans, horseshoe crabs, etc.) possess one.

Compare: endoskeleton.

Any structure that is formed from the ectoderm in vertebrates, like nails, claws, hair, fur, horns, or teeth. (Note: does not include skin, which is an organ.)


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Re: Humor me; can our bodies can be smaller but the same?

... have half the muscle mass for example and still be able to use all the tools our society offers. Bones could be thinner if we made some sort of exoskeletons to support ourselves, and the overall body size probably only had to be big enough to accommodate our brain and the function of our hands ...

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by biohazard
Tue Jan 29, 2008 8:01 am
 
Forum: Cell Biology
Topic: Humor me; can our bodies can be smaller but the same?
Replies: 9
Views: 694

Why are animals soooo strong???

... animals, it's a combination of smaller muscles being relatively stronger, and a lot of animals whose strength you hear about (like ants) have exoskeletons, which are more kinetically powerful than endoskeletons. More power translated to movement, less lost in connections.

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by Darby
Sat Jul 07, 2007 5:44 pm
 
Forum: Zoology Discussion
Topic: Why are animals soooo strong???
Replies: 5
Views: 1886

Difference in Phylums?

... are 2 distinctive features that makes the Arthropod phylum different from Annelids,Mollusks, Roundworms,Sponges, Cnidarians, & Flatworms? * Exoskeletons & a Coelom ? I would appreciate any help. Thanks!

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by LiL Homie
Wed Feb 07, 2007 12:07 am
 
Forum: Physiology
Topic: Difference in Phylums?
Replies: 4
Views: 3802

Help figuring out what animals these are.

... class. 3 has to be a bigger group (since it includes clams and mussels) than 2 (which is just a species), and bivalve shells are not really "exoskeletons." And what is it with tardigrades? This is the fourth discussion of them I've run into this week!

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by Darby
Tue Jun 20, 2006 4:44 pm
 
Forum: Zoology Discussion
Topic: Help figuring out what animals these are.
Replies: 11
Views: 2460

Morgellon's or ..........flies, or .......

... as well. The majority of the knowledge about how humans move is based on research about creatures that walk, fly or swim using hard bones and exoskeletons (a hard outer structure that provides protection or support). By looking at soft bodied animals like the caterpillar, Trimmer can copy ...

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by London
Fri Mar 10, 2006 7:02 am
 
Forum: Human Biology
Topic: Morgellon's or ..........flies, or .......
Replies: 172
Views: 38020
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