Biology Status

Theory of spontaneous generation/Theory of abiogenesis: According to this theory, living organisms could arise/originate suddenly and spontaneously from any kind of non-living matter. It is also called abiogenesis/autobiogenesis or biopoesis. Egyptians believed that mud of the Nile river could spontaneously give rise to many forms of life. Some statements on sopontaneous generation are as follows: i) Thales (624-548 BC) suggested that oceanic water was the mother from which all living forms originated. ii) According to Empedocles , life originated by itself from non living matter and imperfect forms were replaced by perfect forms. iii) Aristotle (384-322 BC): The Greek philosopher Aristotle (384-322 BC) was one of the firm believers in spontaneous generation of life. Aristotle proposed that living forms are animated forms of non-living matter. He thaught that animals might originate spontaneously from the soil, plants, or other unlike animals. He further stated that the vital...

1. Super natural theory: All the different forms of life that occur today on planet are created by super natural power. It has no scientific basis. 2. Theory of Special Creation: According to this theory all the different forms of life on planet are created by God. Special creation theory believes that the things have not undergone any significant change since their creation. The theory of Special Creation was purely a religious concept, acceptable only on the basis of faith. This idea is found in the ancient scriptures of almost every religion. The religious views are as follows: Hindu mythology: Lord Brahma created the living world in one stroke. Christian & Islam belief: God created this universe, plants, animals and human beings in about six days. [• 3 main postulates: – All different kinds of animals & plants were created at once. – All organisms were created in the same form in which they exist today. – Their bodies & organs have been designed to fully mee...