niche

Red Queen

...to adapt quickly just to hold onto the ecological niche that it already has in the ecosystem . Contents showTocToggle("show","hide") 1 Origin 2 Arms races 3 The paradox of sex: The "cost" of males 4 References Origin Accordingly, the metaphor Red Queen represents the s...

Natural selection

...hin populations. Loss of the species' ecological niche or crowding-out due to population growth can change drastically the adaptive traits required to survive - in such conditions, or in any circumstance where survival is determined by ecology more than by the secondary sexual characteristics, an eco...

Magnetic resonance imaging

...form of medical imaging . MRI has also found many niche applications outside of the medical and biological fields such as rock permeability to hydrocarbons and certain non-destructive testing methods such as produce and timber quality characterization [1] . Contents showTocToggle("show","hid...

Marine biology

...ant life is relatively rare undersea, most of the niche occupied by plants on land is actually occupied by macroscopic algae in the ocean, such as Sargassum and kelp .The plants that do survive in the sea are often found in shallow waters, such as the seagrasses (of which eelgrass, Zostera , and tu...

Extinction

...they are able to find and exploit an ecological niche — and species become extinct when are no lo...an also take the form of a physical destruction of niche habitats. The widespread destruction of tropical rainforests and replacement with open pasturelan...

Evolution

...cience neutral theory of molecular evolution niche construction parallel evolution quantum evolution quasispecies model scientific method sexual selection teratogenesis External links EvoWiki - A wiki dedicated to Evolution Evolution - Provided by PBS . Howstuff...

Cold-blooded

... genomes than homeotherms in the same ecological niche . Frogs are a notable example of this effect. ...o reproduce. Poikilotherms in the same ecological niche often have much shorter generations than homeotherms: weeks rather than years. This energy differen...