diatom filter
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Filter (aquarium) — Aquarium filters are critical components of both freshwater and marine aquaria.cite book |last=Riehl |first=Rüdiger. Editor. |coauthors=Baensch, HA |title=Aquarium Atlas |year=1996. 5th Edn. |publisher=Tetra Press |location=Germany |isbn=3 88244… … Wikipedia
Diatom — For a molecule of two atoms, see Diatomic molecule. Diatoms Marine diatoms Scientific classification Domain … Wikipedia
Neon tetra — Scientific classification Kingdom: Animalia Phylum … Wikipedia
Diatomaceous earth — A sample of diatomaceous earth Diatomaceous earth ( / … Wikipedia
Frustule — A frustule is the hard and porous cell wall or external layer belonging to diatoms. The frustule is composed almost purely of silica, made from silicic acid, and is coated with a layer of organic substance, sometimes pectin, a fiber most commonly … Wikipedia
Antarctic krill — Taxobox name = Antarctic krill image width = 200px regnum = Animalia phylum = Arthropoda subphylum = Crustacea classis = Malacostraca ordo = Euphausiacea familia = Euphausiidae genus = Euphausia species = E. superba binomial = Euphausia superba… … Wikipedia
Kieselalgen — Diese marinen Kieselalgen leben als „Eisalgen“ im Inneren des Meereises des antarktischen McMurdo Sunds. Systematik … Deutsch Wikipedia
Microscopy — is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye (objects that are not within the resolution range of the normal eye). There are three well known branches of microscopy, optical,… … Wikipedia
Intertidal ecology — is the study of intertidal ecosystems, where organisms live between the low and high tide lines. At low tide, the intertidal is exposed (or ‘emersed’) whereas at high tide, the intertidal is underwater (or ‘immersed’). Intertidal ecologists… … Wikipedia
Algal bloom — Algal blooms can present problems for ecosystems and human society An algal bloom is a rapid increase or accumulation in the population of algae (typically microscopic) in an aquatic system. Algal blooms may occur in freshwater as well as marine… … Wikipedia
