Biointensive Method: another superior-produce farming technique devised by John Jeavons. Drawing on regular Chinese practices, Steiner's biodynamic farming, and French Intensive, the biointensive strategy aims to increase soil fast, Lower water usage, and preserve ideal food items manufacturing (the declare is usually that a hundred square toes can feed a single human being for just a year).
hypolimnion, awesome bottom waters, exactly where organic and natural decomposition takes place inside the relative dim. Lakes with minimal oxygen at this layer but ample eco-friendly algae is likely to be eutrophic (rich in nutrients but often bad in animal existence), whereas distinct lakes with surpluses of oxygen from the hypolimnion might be oligotrophic (weak in nutrients), with mesotrophic lakes someplace in between.
Collagen: very long proteins stretched into a triple helix to generate strong structural fibers. They are present in hair, tendons, and a few fourth on the human human body's protein.
Continental Crust: the predominantly granitic rock that comprises the stony foundations from the continents. (Ocean flooring are composed mainly of basalt.) The crust's thickness varies from 20 to seventy five kilometers. See Earth, Layers.
Nutrient Cycling: the biking of nutrients in the environment and its inhabitants from soil to vegetation to animals and here back to soil.
Conservation Tillage: any planting approach that leaves thirty% or maybe more with the soil coated by plant residue or include crop although tilling as minimal as possible in order to avoid destroying the soil construction.
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Junk DNA: strips of DNA whose functions have not been determined. They seem to Participate in no role in nearly anything genetic.
Mycorrhizae: mutualistic Affiliation of the fungus with plant roots. The fungus is nourished and housed through the roots it transports soil nutrients into. Almost very little inexperienced would grow without having this symbiosis.
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Bacteria: one-celled prokaryotic organisms (prokaryotic means: DNA not enclosed inside a mobile nucleus), lots of microscopic. Early in Earth's history, microbes steadily altered the environment to support far more complicated varieties of life (manufacturing oxygen, As an illustration, while in the ambiance) even although moving into cells as organelles and decomposing natural matter into soil nutrients.
Bioturbation: when organisms disturb sediments, just like worms over the ocean flooring that take in food stuff stuck in between sand particles.
Hyperparasite: a parasite to another parasite. In crabs, pepper location disease takes place if the flatworms that infect the crab are infected by a parasitic protozoan.
Cone of Despair: the fall in the drinking water desk close to an overused well, causing a cone-shaped dry zone identified as a region of impact.