Fish excrete ammonia which is toxic to the fish. [verb]
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These tubes are shown to excrete nitrogenous waste products similar to uric acid. [Please select]
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Careful watching showed that the plant-lice after this interval did not excrete the sweet fluid. [Please select]
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Frass: the excrement; usually the excreted pellets of caterpillars. [Please select]
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Honey tubes: small tubes or tubercles on the abdomen of plant lice and other insects through which a sweetish liquid or honey dew is excreted siphonets; siphuncles; cornicles. [Please select]
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Scale: a general term to distinguish Coccidae: specifically the puparium of a Diaspid, comprising exuviae and excreted matter: the waxy covering of a male Lecaniid: in Diptera = alula: q. [Please select]
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