soil animal population

См. также в других словарях:

• soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… …   Universalium

• animal disease — ▪ non human Introduction       an impairment of the normal state of an animal that interrupts or modifies its vital functions.       Concern with diseases that afflict animals dates from the earliest human contacts with animals and is reflected… …   Universalium

• Soil food web — The soil food web is the community of organisms living all or part of their lives in the soil. It describes a complex living system in the soil and how it interacts with the environment, plants, and animals. Introduction Food webs describe the… …   Wikipedia

• Animal coloration — Chapman s Zebras in Botswana, displaying their outline disrupting camouflage Animal coloration has been a topic of interest and research in biology for well over a century. According to Charles Darwin s 1859 theory of natural selection,[1 …   Wikipedia

• Soil — For other uses, see Soil (disambiguation). A represents soil; B represents laterite, a regolith; C represents saprolite, a less weathered regolith; the bottommost layer represents bedrock …   Wikipedia

• Population history of American indigenous peoples — It is thought that up to 100 million indigenous people may have lived in the Americas when the 1492 voyage of Christopher Columbus began a historical period of large scale European interaction with the Americas. European contact with what they… …   Wikipedia

• Population history of indigenous peoples of the Americas — Natives of North America. Natives of South America. The po …   Wikipedia

• Mesotrophic soil — Mesotrophic soils are soils with a moderate inherent fertility. An indicator of soil fertility is its base status, which is expressed as a ratio relating the major nutrient cations (calcium, magnesium, potassium and sodium) found there to the… …   Wikipedia

• Saturnisme animal — Le saturnisme animal regroupe toutes les formes de saturnisme (c est à dire d intoxication par le plomb) pouvant toucher les animaux, qu ils soient sauvages, domestiqués ou de compagnie, terrestres ou aquatiques (poissons dont truites par exemple …   Wikipédia en Français

• reproductive system, animal — Introduction       any of the organ systems by which animals reproduce.       The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …   Universalium

• List of unusual animal anecdotes — This article provides a list of unusual animal anecdotes ndash; unique or particularly absurd circumstances involving animals ndash; recorded throughout history. This bestiary focuses mainly on exotic animals such as tigers, lions, crocodiles and …   Wikipedia