- cascade hypothesis
- فرضية الشلال
English-Arabic Medical Dictionary. 2013.
cascade hypothesis
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Cascade effect (ecology) — An ecological cascade effect is a series of secondary extinctions that is triggered by the primary extinction of a key species in an ecosystem. Secondary extinctions are likely to occur when the threatened species are: dependent on a few specific … Wikipedia
Mesopredator release hypothesis — Raccoons (Procyon lotor) and skunks (Mephitis mephitis) are mesopredators, here they share cat food in a suburban backyard. The mesopredator release hypothesis is a relatively new hypothesis from 1988[1] which describes the … Wikipedia
Trophic cascade — Trophic cascades occur when predators in a food chain suppress the abundance of their prey, thereby releasing the next lower trophic level from predation (or herbivory if the intermediate trophic level is an herbivore). For example, if the… … Wikipedia
Amyloid — Amyloids are insoluble fibrous protein aggregates sharing specific structural traits. Abnormal accumulation of amyloid in organs may lead to amyloidosis, and may play a role in various other neurodegenerative diseases. Definition controversyThe… … Wikipedia
Свёртывание крови — превращение жидкой крови в эластичный сгусток; защитная реакция организма человека и животных, предотвращающая потерю крови. С. к. протекает как последовательность биохимических реакций, совершающихся при участии факторов свёртывания… … Большая советская энциклопедия
Robert Sapolsky — Robert Maurice Sapolsky (born 1957) is the John A. and Cynthia Fry Gunn Professor of Biological Sciences, and Professor of Neurology and Neurological Sciences, and by courtesy, Neurosurgery, at Stanford University. Although born into a devout… … Wikipedia
TIMP1 — Обозначения Символы TIMP1; TIMP, CLGI Entrez Gene … Википедия
Memory improvement — The hippocampus regulates memory function. Memory improvement is the act of improving one s memory. Medical research of memory deficits and age related memory loss has resulted in new explanations and treatment techniques to improve memory,… … Wikipedia
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
Olympic-Wallowa Lineament — Location of the Olympic Wallowa Lineament. Is the OWL an optical illusion? The Olympic Wallowa lineament (OWL) – first reported by cartographer Erwin Raisz in 1945 [1] on a relief map of the continental United States – is a physiographic feature… … Wikipedia
Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the … Wikipedia
