swarming of diatoms

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Diel vertical migration — Diel vertical migration, also known as diurnal vertical migration, is a pattern of movement that some organisms living in the ocean and in lakes undertake each day. Usually organisms move up to the epipelagic zone at night and return to the… … Wikipedia
Krill — Euphausiacea A northern krill (Meganyctiphanes norvegica) Scientific classification Kingdom … Wikipedia
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
caddisfly — /kad is fluy /, n., pl. caddisflies. any of numerous aquatic insects constituting the order Trichoptera, having two pairs of membranous, often hairy wings and superficially resembling moths. Also, caddicefly. Cf. caddisworm. [1780 90; see… … Universalium
Flagellum — For the insect anatomical structure, see Antenna (biology). For the flagella of male Solifugae, see Solifugae. Flagella Code TH H1.00.01.1.01032 A flagellum ( … Wikipedia
Diseases of the honey bee — or abnormal hive conditions include: Contents 1 Pests and parasites 1.1 Varroa mites 1.1.1 Treatment 1.2 Acarine (Tracheal) mit … Wikipedia

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