Sunday, November 15, 2009

Endangered species


A fifth of the world's known mammals, a third of its amphibians, more than a quarter of its reptiles and up to 70% of its plants are under threat of extinction according to the red list (http://www.iucnredlist.org/)of threatened species, the latest annual survey compiled by the International Union for Conservation of Nature (http://www.iucn.org/).The IUCN estimates that nearly 17,300 of the world's 47,677 assessed species are under threat of extinction.

The ecosystem is very fragile; the reason for this fragility is the connection of everything is linked. Humans are the most widespread and influential of all species. This interaction has led a lot of species to the brink of extinction. Although the list of species we have is still not completely catalogued. The list of species that are endangered seems to be on the rise. Destruction of habitat, shirking of food, changes in temperature, introduction of alien species into the food chain naming just a few basic reasons which are the cause of species on the endangered species list.

Ever since the first signs of life are traced on the planet there have been mass extensions, this is not a new phenomena. The disappearing of dinosaurs is the single biggest mass extinction on record. However extinction of species has always been in accordance to the evolutionary paths it follows. The difference this time is that Man is the cause of all the species indifference.

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  1. It's true actually that the evolutionry process has always been the basis of extinction of the species but this also gave rise to newer or the modified version of the species to emerge.As far as the human involvement in this regard is concerned it can't be denied, but steps are being taken and efforts are being made to protect the endangered species that, not the evolution but we the humans have put into danger of extinction.

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