Give an account on the major causes for the extinction of a particular species on earth.

Explanation

Causes for extinction of a species may be natural or due to human Intervention.
Natural causes :
(i) Environmental events - Occurrence of Natural disaster such as floods, volcanic eruptions, etc. can wipe out an entire species.
(ii) Biological events - Non availability of foods, spread of infectious diseases can wipe out a species at large.
Human Activities :
(i) Man is destroying forests in a large scale. Many species are being reduced homeless.
(ii) Modern technology has a major impact for Mg. the sparrow population is said to have reduced due to erection of signal towers built as part of communication. (mobile phones)
(iii) Over exploitation of species for commercial purpose may interfere with food chains and create food deficit for other species. Similarly over may also lead to reduction in population of the species.
(iv) Species do not become extinct suddenly, As the members of particular species appears to be reduce, special initiatives have to be taken to conserve the existing individuals and their young ones, breed them and contribute to increasing their members, Unless such initiatives are taken there is a likelihood of a species moving towards extinction.