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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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<strong>Online</strong> <strong>Dictionary</strong> <strong>of</strong> <strong>Invertebrate</strong> <strong>Zoology</strong> 629opment <strong>of</strong> secondarily formed organs (usually not numerous).oligothermic a. [Gr. oligos, few; thermos, heat] Having a tolerancefor low temperatures.oligotokous a. [Gr. oligos, few; tokos, <strong>of</strong>fspring] Having asmall number <strong>of</strong> young.oligotrichy n. [Gr. oligos, few; trichos, hair] Few, weakly developedsetae.oligotrophic a. [Gr. oligos, few; trophe, food] Pertaining t<strong>of</strong>reshwater bodies poor in plant nutrients and unproductive.oligotropic a. [Gr. oligos, few; tropikos, turning] (ARTHRO: Insecta)Visiting only a few kinds <strong>of</strong> flowers for nectar; oligolectic.see monotropic, polytropic.oligoxenous a. [Gr. oligos, few; xenos, host] Said <strong>of</strong> certainparasites adjusted to live in a limited number <strong>of</strong> hosts. oligoxenyn.oligozoic a. [Gr. oligos, few; zoon, animal] Having a few speciesor numbers <strong>of</strong> animals in a particular habitat.olivaceous a. [L. oliva, olive] Resembling or having the color<strong>of</strong> olive green.oliviform a. [L. oliva, olive; forma, shape] Oval; resembling anolive in shape.olynthus n. [Gr. olynthus, unripening fig] (PORIF) In calcareousforms, a post-settlement stage; in asconoid forms, remainsas adult form.omega-ramule (ECHINOD: Crinoidea) A branchlet issuing fromthe terminal axial <strong>of</strong> the main-axil.ommata see ommatidiumommateum n. [Gr. ommation, little eye] (ARTHRO: Insecta) Acompound eye.ommatidium n.; pl. -ia [Gr. ommation, little eye; idion, dim.](ARTHRO) One <strong>of</strong> the component units <strong>of</strong> a compound eye,consisting essentially <strong>of</strong> an optical (light gathering) partand a sensory part (perceiving and transforming into electricalenergy); a facet.ommatochrome see ommochrome

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