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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> 313eclectic a. [Gr. eklektos, selected] Selecting from various systems,doctrines, or sources.eclipsed antigen An antigen borne by a parasite that is commonto both the host and the parasite, genetically <strong>of</strong> parasiticorigin.eclosion n. [F. eclosion, emerge] The act or process <strong>of</strong>emerging from the egg or pupal case; to eclose.ecoclimate a. [Gr. oikos, house; klima, region] Total <strong>of</strong> meteorologicalfactors within a habitat.ecocline n. [Gr. oikos, house; klinein, to slope] Continuousgradient <strong>of</strong> characters in response to variation in ecologicalconditions.ecogeographical rules The formulation <strong>of</strong> regularities in geographicvariation <strong>of</strong> characters correlated with environmentalconditions.ecological isolation Interbreeding between two or more sympatricpopulations is prevented by mating in different ecologicalniches. see geographic isolation/barriers isolate.ecology n. [Gr. oikos, house; logos, discourse] The study <strong>of</strong>interrelationships among organisms themselves and theirenvironment; bionomics; hexicology; mesology; poikology.ecomorph n. [Gr. oikos, house; morphe, form] A growth formcaused by a special environment; infraspecific variation.ecomorphic a.economic density The number <strong>of</strong> individuals per unit <strong>of</strong> habitatspace; also called specific density.ecoparasite see ecositeecophene n. [Gr. oikos, house; phainein, to appear] The range<strong>of</strong> phenotypes produced by one genotype within the limits<strong>of</strong> the habitat under which it is found in nature.ecophenotype n. [Gr. oikos, house; phainein, to appear; typos,type] A nongenetic modification <strong>of</strong> the phenotype byspecific ecological conditions, esp. habitat variation. ecophenotypica.ecosite n. [Gr. oikos, house; sitos, food] A microparasite towhich its host is immune under normal conditions; eco-

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