Online Dictionary of Invertebrate Zoology: Complete Work - Best Text

Online Dictionary of Invertebrate Zoology 41ferred to as the heterogonic or heteroausecic coefficient.allometric growth The growth rate of one part of an organismdiffering from that of another part or of the body as awhole. see heterauxesis.allometrosis n. [Gr. allos, other; metros, mother] Having differentspecies or races living in an organized group.allometry n. [Gr. allos, other; metron, measure] The study ofrelationship of growth. allometric a.allomixis see cross-fertilizationallomone n. [Gr. allos, other; hormaein, to instigate] Anychemical secreted by an organism that causes another organismof different species to react favorably to the emitter.allomonal a.allomorphic evolution A rapid increase in specialization.allomorphosis n. [Gr. allos, other; morphe, form] Rapid developmentof specialized organs or increase of specializationin an organism. see aromorphosis.alloparalectotype n. [Gr. allos, other; para, beside; lektos,chosen; typos, type] A specimen from the original collection,a sex other than that of the holotype, and describedlater than the original publication.allopatry n. [Gr. allos, other; patrios, father land] Populationsseparated by spatial barriers preventing gene flow. allopatrica. see sympatry.allopelagic a. [Gr. allos, other; pelagos, sea] Referring toopen water; marine or freshwater organisms found at variousdepths.alloplasm n. [Gr. allos, other; plassein, to mold] Cell organellesthat serve a special purpose and are not of regular occurrence,such as the neuro- and myofibrils, cilia and flagella.alloplast n. [Gr. allos, other; plassein, to mold] A cell organellecomposed of more than one kind of tissue. see homoplast.allopolyploid n. [Gr. allos, other; polyploos, many fold; eidos,form] A polyploid produced by the chromosome doubling ofa species or genus hybrid, that is, of an individual with two