Friday, December 10, 2010

Invertebrates

Jointed Appendages 
Where the bones that make up the appendage have contacts between them.
Eg. Antenna, Mouth Parts, Claws, Legs

Arthropoda "Jointed Legs"
Various appendages of arthropods have specialized structure to adapt them to a particular function (increases efficiency but sacrifices versatility). Jointed appendages, originally for locomotion, have been modified for a great variety of functions, even in the same animal. 


Typical arthropod: a segmented, coelomate invertebrate animal with bilateral symmetry, an exoskeleton and jointed structures called appendages.




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