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CAUSES OF EXTINCTION -
1. HUNTING -
2. FOREST FIRES -
It is held that forest fires resulting from human activity or mistake have caused the elimination of many sps. of wild life.
3. DISTRUCTION OF HABITATES -
Destruction of natural habitats causes the most serious threat to wild life.
Habitats are destroyed by many human activities due to development work, deforestation, pollution, cleanliness (vultures are about to extinct).
4. PHYSICAL ALTERATION OF ENVIRONMENT -
Any physical change in the routes of the migratory birds or fishes adversely affects them.
Population You must be familiar with the term 'population'. It is one of the most talked about issues of this century. It is feared that the rapid growth of the world population
Events prior to the Sperm-Egg Fusion In a number of organisms that have been studied, the sperm remain immotile in the testis or in the semen. The sperm become active and mot
Define features of Fusarium - Identification of Fungi and Yeasts? Identifying features of Fusarium: 1. Wooly, white fuzzy colonies changing colour to pink, purple or yellow.
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