[DOC] [TLE] Exoskeleton - Wikipedia [PAR] An exoskeleton is the external skeleton that supports and protects an animal's 
body, in contrast to the internal skeleton (endoskeleton) of, for example, a human. 
In usage, some of the larger kinds of exoskeletons are known as "shells". ... 
Further, other lineages have produced tough outer coatings analogous to an... [DOC] [TLE] Crustacean - Wikipedia [PAR] Crustaceans form a very large group of arthropods which includes such familiar 
animals as crabs, lobsters, crayfish, shrimp, krill, woodlice and barnacles. ... The 
scientific study of crustaceans is known as carcinology (alternatively, ... segments 
of the head, these include two pairs of antennae, the mandibles and maxillae; the
... [DOC] [TLE] Biology of Animals & Plants - Arthropods - FM Faculty Web Pages [PAR] One piece of supporting evidence you might run across is that there are more 
species ... Unlike a simple shell such as those of mollusks, an exoskeleton has 
many flexible ... More protective, covering the muscles and other soft tissues. ... 
legs, such as the decapods (10 legs), including crabs and lobsters, or the 
arachnids (8... [DOC] [TLE] Slide 1 [PAR] --those that contain only C and H are called Hydrocarbons. Example of a ... 
These carbon atoms can also attach to carbon atoms of other ... a water molecule 
away, add one! ... Chitin = outer shell of insects, crabs, lobster, crayfish, etc. ... 
chitin shell for support and protection. ... -protective coverings for plants and 
animals. [DOC] [TLE] chitin facts, information, pictures | Encyclopedia.com articles about ... [PAR] Chitin confers a number of protective benefits to animals with exoskeletons. ... 
After the old shell is cast off, a new, larger exoskeleton is secreted by glands in 
the ... for larger animals because chitin is not strong enough to protect and 
support them. ... These animals would not be able to move very well under the 
weight of this... [DOC] [TLE] Arthropoda facts, information, pictures | Encyclopedia.com articles ... [PAR] It includes well over one million described species. ... Some of the more well-
known arthropods include insects, crustaceans, and spiders, as well as the fossil 
... The external skeleton offers organisms protection as well as support for the 
body. ... These include a pair of chelicerae , a pair of pedipals, and four pairs of 
legs. [DOC] [TLE] Epizootic shell disease in lobsters - AccessScience from McGraw ... [PAR] The American species supports one of the largest shellfish fisheries in the world, 
... These lesions are extremely unattractive, discoloring the outer shells of the... [DOC] [TLE] mineral fine structure of the american lobster cuticle - UMass Amherst [PAR] A thin outer calcite layer provides a dense microbial barrier that dissolves slowly 
... Injury to the epicuticle covering this mineralized surface unleashes an ... The 
combined mineral fine structure of lobster cuticle supports antimicrobial function 
.... Figure 1. Natural and artificial lobster shell lesions. (A) American lobster,. [DOC] [TLE] arthropod | animal phylum | Britannica.com [PAR] May 13, 2016 ... About one million arthropod species have been described, of which most ... 
Arthropods are found in almost all of the habitats that cover the ... The larger 
crustaceansshrimps, lobsters, and crabsare used as ..... Arthropods are 
animals that have a hard outer shell called an exoskeleton that supports and... [DOC] [TLE] Crustaceans - Acadia's Oceanside Meadows Inn [PAR] This external shell, in addition to being protective, gives rigid support for the ... In 
many crustaceans a shell called the carapace covers the head and thorax. ... At 
this point, the animal has two skeletons  the outer one and the inner one. ... 
These crabs look like tiny lobsters, though their body is often hidden by their 
protective... [DOC] [TLE] Science Explorations: Classify Insects: Zoom in on True Bugs ... [PAR] Crabs, lobsters, spiders, insects, centipedes, and millipedes  these ... all other 
types of animals combined, with an estimated 1 million species. ... For added 
protection, the exoskeleton of ocean-dwelling arthropods (the ... The result is a 
rock-

Question: The outer supporting shell of a lobster is known as one of these protective coverings
Answer: an exoskeleton