Category: Ecology

Here is your Speech on Ecology !Conventionally, ecology has been defined variously by different classical and modern ecologists with different viewpoints. Quite oddly, no universally accepted definition of ecology has been for­mulated by any ecologist so far, and for the better understanding of scope, limitations, purpose, and mode of study of different ecological phenomena, one has to go through following chronologically arranged definitions of ecology:Ernst Haeckel (1866) defined ecology “as the body of knowledge concerning the economy of nature—the investigation of the total rela­tions of animal to its inorganic and organic environment. image source: upload.wikimedia.org ADVERTISEMENTS: An American plant ecologist, Frederick Clements (1916) considered eco­logy to be “the science of community.” British ecologist Charles Elton (1927) defined ecology as “the scientific natural history concerned with the sociology and economics of…

Here is your essay on Literature concerning Ecology !The beginnings of ecological knowledge for modern man lay in the development of biology and medicine as scientific disciplines the fourth century Greek, Hippocrates (460-377? B.C.), often called ‘he “Father of Medicine”, emphasised certain ecological factors in the genesis of health and disease. image source: cgpauk.com ADVERTISEMENTS: His work, “On Airs, Waters and Places” was environmental in emphasis—'”whoever wishes to investi­gate medicine properly, should proceed thus: in the first place to consi­der the seasons of year, and what affects each of them produces……. Then the winds, the hot and cold … the qualities of waters, for as they differ from one another in taste and weight…………”Another Greek philosopher Aristotle (384-322 B.C.), some­times referred to as the “Father of Biology”, classified animals according…

Here is your Essay on Ecological Efficiency !The relationship between the amount of energy assimilated and the amount of energy utilized within one trophic level of a food chain has an important bearing on how much energy one trophic level in the food chain passes on to the next. image source:upload.wikimedia.org ADVERTISEMENTS: Efficiency is the ratio of useful output of energy in relation to input. There exist various methods of measuring different kinds of efficiencies, all of which require the understanding of the following para­meters; Ingestion describes the quantity of food or energy taken air by a consumer or the amount of light available or absorbed by a producer.Assimilation is the amount of food absorbed in the ali­mentary canal of a consumer, the absorption of extracellular pro­ducts by a decomposer,…