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Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

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32Maggenti and Gardnercies, kind] A species without sexual reproduction; an asexualspecies.agamous see agamicagar n. [Malay agar-agar, substance from seaweed] A nonnitrogenous,gelatinous hydrophilic substance obtained fromcertain seaweeds used in the preparation <strong>of</strong> culture mediain microbiology and as a stabilizer <strong>of</strong> emulsions.agastric a. [Gr. a, without; gaster, stomach] Lacking a digestivetract or cavity.age n. [L. aevum, lifetime] 1. The period <strong>of</strong> time any living individualhas existed. 2. A particular period <strong>of</strong> life or development.age and area theory The older a species, the more extensiveits area <strong>of</strong> distribution.agenesis, agenesia n. [Gr. a, without; genesis, beginning] 1.Lacking development. see aplasia. 2. Inability to produce<strong>of</strong>fspring. see agennesis.agennesis n. [Gr. a, without; gennesis, an engendering] Impotent;sterile. agennetic a.age polyethism (ARTHRO: Insecta) In social insects, the regularchanging <strong>of</strong> labor specialization as they grow older. seepolyethism.aggenital a. [L. ad, to; genitalis, genitalia] (ARTHRO: Chelicerata)In Acari, pertaining to that area on both sides <strong>of</strong> thegenital region.agglomerate n. [L. ad, to; glomerare, to form into a ball] Togroup or gather into a mass or cluster; clustered densely;piled or heaped together.agglutinate v. [L. ad, to; glutinare, to glue] To join by adhesion;to unite as with glue; to collect in masses.agglutinated a. [L. ad, to; glutinare, to glue] 1. Sticking together.2. (ARTHRO: Insecta) Used by entomologists to describea larva with an unusually heavy chitinous covering.see obtect pupa.agglutinin n. [L. ad, to; glutinare, to glue] A substance or specificantibody causing clumping <strong>of</strong> cells.

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