Divinagrace E. ElenTaxonCommon morphological structures

InternalExternal

Gastropoda(1) Anus is located above the head due to torsion; (2) Open circulatory system with hemolymph; (3)Nephridia for producing excretory wastes; (4) Simple nervous system is a network of ganglia(1) Have un-segmented soft body divided into three major sections: head, body and foot; (2) Head contains eyes and a pair of tentacles; (3) Flattened ventral side (belly) used for locomotion called the foot; (4) Shelled species are all univalves

Crustacea(1) Open circulatory system with hemolymph; (2) One or more diverticula or digestive pouches; (3) Foregut of decapods have gastric mills which grind food(1) Divided into three major sections: head, thorax, and abdomen (as trunk); (2) Hard exoskeletons or shells; (3) Segmented bodies and jointed limbs; (4) More than 4 pairs of legs

Anisoptera(1) Open circulatory system with hemolymph; (2) Foregut, midgut, and hindgut; (3) Excretes through Malphigian tubules in the hindgut; (4) Respiratory tube called tracheae(1) Divided into three major sections: head, thorax, and abdomen; (2) Chitinous exoskeleton; (3) Hard, lower lip called labium and large, compound eyes; (4) Membranous pair of unequal-sized wings

Zygoptera(1) Open circulatory system with hemolymph; (2) Foregut, midgut, and hindgut; (3) Excretes through Malphigian tubules in the hindgut; (4) Respiratory tube called tracheae(1) Head, thorax, and abdomen; (2) Chitinous exoskeleton; (3) Hard, lower lip called labium, large, compound eyes, membranous pair of equal-sized wings; (4) Narrower abdomens

Hemiptera(1) Mycetome in the midgut that contain bacteria; (2) Foregut, midgut, and hindgut; (3) Open circulatory system with hemolymph; (4) Respiratory tube called tracheae(1) Head, thorax, and abdomen; (2) Body surface is divided into sclerites; (3) Hard, lower lip called labium; (4) Pair of wings are overlapping with basal and apical portions of front wings having different textures

Diptera(1) Foregut, midgut, and hindgut; (2) Pseudotracheae for secretion of saliva; (3) Excretes through Malphigian tubules in the hindgut; (4) Open circulatory system with hemolymph(1) Head, thorax, and abdomen; (2) One pair of functional wings with a pair of modified wings called haltere; (3) Large compound eyes; (4) One pair of antennae; (5) Modified mouthparts dependent on diet

Trichoptera(1) Foregut, midgut, and hindgut; (2) Excretes through Malphigian tubules in the hindgut; (3) Nervous system made up of thoracic and abdominal ganglia; (4) Respiratory tube called tracheae(1) Head, thorax, and abdomen; (2) Two pairs of wings either are covered with hairs or have hairs on the veins; (3); Filiform antennae (4); Reduced mouthparts; (5) Elongated body

Ephemeroptera(1) Foregut, midgut, and hindgut; (2) Excretes through Malphigian tubules in the hindgut; (3) Nervous system made up of thoracic and abdominal ganglia; (4) Respiratory tube called tracheae(1) Antennae short and bristle-like; (2) Long front legs often held out in front of body; (3) Four membranous wings with many veins and cross-veins; (4) Large front wings; (5) Smaller triangular hind wing

Coleoptera(1) Foregut, midgut, and hindgut; (2) Excretes through Malphigian tubules in the hindgut; (3) Nervous system made up of thoracic and abdominal ganglia; (4) Respiratory tube called tracheae(1) Head, thorax, and abdomen; (2) Chewing mouthparts; (3) Front wings (elytra) that are hard and serve as covers for the hind wings; (4)Hind wings large, membranous, folded beneath the front wings

N1

Resources:

http://en.wikipedia.org/wiki/Gastropoda

http://animalia-life.com/mollusk.html

http://www.ucmp.berkeley.edu/mollusca/mollusca/gastropoda/gastropodamm.html

http://eol.org/info/444http://www.mesa.edu.au/crustaceans/default.asphttp://www.mndragonfly.org/defined.htmlhttp://www.naturenorth.com/dragonfly/DOM/Page01_Biology.htmlhttp://insects.about.com/od/flies/p/char_diptera.htmhttp://www.ento.csiro.au/education/insects/trichoptera.htmlhttp://en.wikipedia.org/wiki/Mayflyhttp://en.wikipedia.org/wiki/Beetlehttp://www.sciencedirect.com/science/article/pii/0020732271900080http://www.cals.ncsu.edu/course/ent425/library/compendium/trichoptera.html