Life on earth appeared 500 million years after its formation. Different theories were given by different thinkers and scientists. (i) Theory of Special Creation: It states that God created life by his divine act off creation, i.e., the earth; light; plants and animals are all being created by the supernatural power. This theory has following […]
Origin of Life: 4 Theories | Evolutionary Biology
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The Origin of Life: Concept, Approaches and Theories
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In this article we will discuss about:- 1. Concept of the Origin of Life 2. Approaches of the Origin of Life 3. Theories. Concept of the Origin of Life: The origin of life on earth is one of the most elusive and oldest problems of biology. For about one half of the long span of […]
Origin of Flight in Birds–Discussed! | Phylum Chordata
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In this article we will discuss about the origin of flight in birds. Birds constitute a very specialised group of vertebrates which have evolved from reptiles during Mesozoic era. The actual documentary records of the stages showing how such reptiles were transformed into birds are rare because of the non-availability of abundant avian fossils. Two […]
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