- algal scum
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a floating layer of algae, either alive or decaying
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
Evolutionary history of plants — Plants have evolved through increasing levels of complexity, from the earliest algal mats, through bryophytes, lycopods, ferns and gymnosperms to the complex angiosperms of today. While the simple plants continue to thrive, especially in the… … Wikipedia
Plant — For other uses, see Plant (disambiguation). Plants Temporal range: Early Cambrian to recent, but see text, 520–0 Ma … Wikipedia
Ecosphere (science) — The EcoSphere and Original Ecosphere are trademark names for sealed blown glass miniature aquaria (aquariums) produced by Ecosphere Associates, Inc., of Tucson, Arizona, United States. Spherical or ovoid, the aquaria range from roughly baseball… … Wikipedia
Zygnematales — Spirogyra green algae Scientific classification Kingdom: Plantae Division … Wikipedia
Plant evolutionary developmental biology — For a more ecological discussion on the evolution of plant morphology, refer to Evolutionary history of plants Evolutionary developmental biology (evo devo) refers to the study of developmental programs and patterns from an evolutionary… … Wikipedia
Cyanotoxin — Green scum produced by and containing cyanobacteria, washed up on a rock in California during an algal bloom Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue green algae). Cyanobacteria are found almost… … Wikipedia
Algae fuel — might be an alternative to fossil fuel and uses algae as its source of natural deposits. Several companies and government agencies are funding efforts to reduce capital and operating costs and make algae fuel production commercially viable.[1]… … Wikipedia
Diatom — For a molecule of two atoms, see Diatomic molecule. Diatoms Marine diatoms Scientific classification Domain … Wikipedia
Cyanobacteria — Temporal range: 3500–0 Ma Had n Archean … Wikipedia
Septic tank — A septic tank, the key component of a septic system, is a small scale sewage treatment system common in areas with no connection to main sewage pipes provided by private corporations or local governments. (Other components, typically mandated… … Wikipedia