Essay on :- From Biosphere to Ecological Niche ! The biosphere can be divided into a series of biogeographically regions, each inhabited by distinctive species of animals and plants. These organisms are able to move freely from place to place within each region, but not from one region to another, this being prevented by various natural barriers like river, lake, [...]
Essay on the Historical Growth of Ecology from 18th Century to 20th Century ! From the late seventeenth century through the nineteenth century, following five major fields of study laid the foundation for the development of ecology as a distinct scientific discipline in the twentieth century: (1) natural history and faunal exploration, (2) environmental physiology and the study of responses [...]
Essay on The Ecological Succession in a Pond and on a Bare Rock ! One of the classical studies of ecological succession was made on the shores of Lake Michigan as the lake has become smaller it has left successively younger sand dunes, and one can study the stages in ecological succession as one goes away from the lake. [...]