Arthropod: Difference between revisions

Latest revision as of 12:29, 17 June 2008

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Arthropoda

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-{{Taxobox
+#REDIRECT [[Arthropoda]]
-| color = pink
-| name = Arthropods
-| regnum = [[Animal]]ia
-| phylum = '''Arthropoda'''
-| subdivision_ranks = Subphylums
-| subdivision =
-*[[Celicerata]]
-*[[Crustacea]]
-*[[Hexapoda]]
-*[[Myriapoda]]
-}}
-'''Arthropods''' are the phylum which includes [[insect|insects]], [[crustacean|crustaceans]], and all organisms with a hard shell-like segmented body, such as [[spider|spiders]], [[horseshoe crab|horseshoe crabs]], and [[centipedes|centipede]]
-==Identification==
-Arthropods have a hard outer shell, or [[exoskeleton]], which is periodically shed and regrown.  The body is segmented, usually with 2-3 distinct groupings.  Paired and segmented appendages are usually present.
-==Life Cycle==
-With the exception of insects, arthropods undergo little to no [[Arthropod metamorphosis|metamorphosis]].  Immature arthropods resemble adults.  A few [[crustacean|crustaceans]] have a immature form that differs significantly from that of the adult.  Some [[Celicerata]] have fewer legs in the immature form.
-==Habitat==
-Arthropod habitats are very diverse.  Arthropods are found in almost every habitat.  Feeding is equally varied.
-==Taxonomy==
-Formerly, arthropods were divided into only two subphyla, Manibulata and [[Celicerata]].  Mandibulate arthropods include [[crustacean|crustaceans]], [[hexapod|hexapods]], and [[Myriapoda]].
-===Number of species===
-There are 104,000 species found in North America, and 840,000 worldwide.
-===Subdivisions===
-There are 4 subphylums in this phylum.
-==Bibliography==
-Borrer, DJ and RE White. A Field Guide to Insects: America north of Mexico.  Houghton Mifflin Company: Boston, 1970. ISBN 0-395-91170-2
-[http://www.itis.gov/ Integrated Taxonomic Information System]. Accessed June 4 2008.

Arthropod: Difference between revisions

Latest revision as of 12:29, 17 June 2008

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