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Ecosystem in Biological Definition

Biology

... body temperature; and at the level of the ecosystem , for example when atmospheric carbon dioxide ... two or more different species interact in an ecosystem , and is the province of ecology . Scope of ... complex interrelationships among organisms in an ecosystem Main articles: Ecology , Ethology , ...

Biodiversity

... species diversity - diversity among species ecosystem diversity - diversity at a higher level of organization, the ecosystem (richness in the different processes to which ... disasters. These functions are important for ecosystem function and human survival. Research suggests ...

Adaptive radiation

... is an evolutionary process driven by mutation and natural selection . Adaptive radiation often occurs when a species is introduced to a new ecosystem , or when a species can survive in an environment that was unreachable before. For example, the Darwin's finches on the Galapagos islands ...

Marine biology

... ecosystems is also growing, despite large areas beneath the surface of the ocean remaining effectively unexplored. Subfields The marine ecosystem is large, and thus there are quite a number of subfields in marine biology, mostly involving specializations in particular species and biomes, such ...

Red Queen

... mixing mother's and father's genes , sex may allow a species 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 ...
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(Date:4/17/2014)... Domestication," a special feature of The ... PNAS ) published April 29, raises a number of ... that most of us take for granted. At the ... spots around the globe shifted from hunting animals and ... , It seems so straightforward and yet the more ...
(Date:4/16/2014)... two new species of yellow-shouldered bats have been unearthed by scientists ... of Natural History and described in the open access journal ... Sturnira are part of a recent discovery of three ... still waiting to be officially announced. , Up until recently the ...
(Date:4/16/2014)... eyes up, and you cannot lift your upper eyelid. You walk ... look straight when they are rolled down in the eye socket. ... normal position of their head. In order to correct this condition, ... paper published in the April 16 print issue of the journal ...
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(Date:4/17/2014)... CHICAGO, IL, April 17, 2014-- Colic affects about one ... accounts for numerous pediatric visits during the first several ... of colic symptoms was showing promise; however, the April ... (BMJ2014;348:g2107; Sung, Valerie) reported on a study, "Probiotics ... probiotic L reuteri for infant colic ...
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