In this article we will discuss about the role of main in plant dispersal. After the Great Ice Age of Pleistocene period man has emerged as the greatest and most powerful modifier of the environmental conditions of the biosphere because of his skill and technological advancement. In fact, man has introduced a new period of […]
Role of Man in Plant Dispersal | Biosphere | Geography
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Extinction of Animals: 6 Causes | Biosphere | Geography
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In this article we will discuss about the extinction of animals that takes place in a number of ways due to variety of causes. Speciation (evolution of new species) and species extinction (complete elimination of species) are the natural processes which follow the evolution of animals. It is believed that about 200 species of mammals […]
World Distribution of Animals | Biosphere | Geography
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The study of distributional patterns of animals at global scale is carried out in different ways e.g.: (i) Collective study of the distributional patterns of all members of particular species. This involves the division of animals in definite distributional areas on the basis of the abundance of animals species; (ii) Animal distribution is also studied […]