[DOC] [TLE] Exoskeleton - definition of exoskeleton by The Free Dictionary [PAR] A hard outer structure, such as the shell of an insect or crustacean, that ... (
Zoology) the protective or supporting structure covering the outside of the body of
... [DOC] [TLE] Exoskeleton - Wikipedia [PAR] An exoskeleton is the external skeleton that supports and protects an animal's 
body, in contrast ... Chitin forms the exoskeleton in arthropods including insects, 
arachnids such as spiders, crustaceans such ... Further, other lineages have 
produced tough outer coatings analogous to an exoskeleton, such as some 
mammals. [DOC] [TLE] shell (rigid covering that) - Memidex dictionary/thesaurus [PAR] [entomology] The exoskeleton or wing covers of certain insects. ... a hard outer 
covering of an animal, as the hard case of a mollusk, or either half of the ... the 
hard protective outer case of a mollusc or crustacean | the thin outer covering of 
an... [DOC] [TLE] Exoskeleton | Define Exoskeleton at Dictionary.com [PAR] A hard, protective outer body covering of an animal, such as an insect, 
crustacean, or mollusk. The exoskeletons of insects and crustaceans are largely 
made of... [DOC] [TLE] Exoskeletal | Define Exoskeletal at Dictionary.com [PAR] In Teleostei dental plates are usually developed as an exoskeletal covering on 
parts of the ... A hard, protective outer body covering of an animal, such as an 
insect, ... The exoskeletons of insects and crustaceans are largely made of chitin. [DOC] [TLE] ANIMAL COVERINGS [PAR] Students will use observation skills to describe animal body coverings. 2. 
Students .... covering made of a hard, semi-transparent substance called chitin. ... 
scales act as a protective layer to help prevent water loss from their bodies. ... 
constituent of the exoskeleton, or outer covering, of insects, crustaceans, and 
arachnids. [DOC] [TLE] Arthropods - humans, body, used, water, process, Earth, life, plants [PAR] ... of the phylum Arthropoda that have a segmented body, jointed legs, and a 
tough outer covering or exoskeleton. They include insects, crustaceans (lobsters,
... [DOC] [TLE] Science Explorations: Classify Insects: Zoom in on True Bugs ... [PAR] The union of these three layers creates a tough covering that protects the ... outer 
shell, familiar to anyone who has ever cracked open a lobster or crab leg. [DOC] [TLE] What are Invertebrates | Invertebrates Facts | DK Find Out [PAR] Instead, some have a tough outer shell for protection, while others have no hard 
parts in their bodies at all. ... Snails have soft bodies covered in a slime called 
mucus. ... Animals with legs like these, including spiders, insects, and 
crustaceans... [DOC] [TLE] Insects can patch their broken 'bones' | Science News for Students [PAR] May 10, 2016 ... Afterward, the bugs patched their broken limbs to end up with legs that still .... 
including the insects, crustaceans, arachnids and myriapods, that are ... 
exoskeleton A hard, protective outer body covering of many animals that... [DOC] [TLE] integument - Arthropods | biology | Britannica.com [PAR] Apr 15, 2016 ... The insect epidermis lies on a basement membrane and secretes a tough ... In 
the integument of caterpillars chitin forms a cuticle that is tough but flexible. ... In 
many crustaceanscrabs and lobsters, for examplemuch of the cuticle is ... by 
the epithelium of the mantle and consists of an outer layer of the... [DOC] [TLE] crustacean | arthropod | Britannica.com [PAR] Any member of the subphylum Crustacea (phylum Arthropoda), a group of ... a 
satisfactory inclusive definition of all the Crustacea is extraordinarily hard to 
frame. .... thought to be a protective response to the predatory activities of crabs; 
in turn .... The outer covering of crustaceans is variously called the integument, 
cuticle,... [DOC] [TLE] Limits on Animal Size and Shape - Boundless [PAR] Scientists estimate that, of insects alone, there are over 30 million species on our 
... As the tough and resistant outer cover of an arthropod, the exoskeleton may be 
... The apodemes on this crab leg are located above and below the fulcrum of... [DOC] [TLE] What is an insect? [PAR] ... and

Question: The hard protective outer covering of an insect or a crustacean
Answer: exoskeleton