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The tax came into effect from 1 July 2017 through the implementation of the One Hundred and First Amendment to the Constitution of India by the Government of India. 1 July is celebrated as GST Day. [4] The GST replaced existing multiple taxes levied by the central and state governments. Also, to boost GST billing in India, the Government of ...
Four ways of explaining the Westermarck effect, the lack of sexual interest in one's siblings (Wilson, 1998:189–196): Function: To discourage inbreeding, which decreases the number of viable offspring. Phylogeny: Found in a number of mammalian species, suggesting initial evolution tens of millions of years ago.
The age of the Earth is about 4.5 billion years. [1] [2] [3] The earliest undisputed evidence of life on Earth dates from at least 3.5 billion years ago. [4] [5] [6] Evolution does not attempt to explain the origin of life (covered instead by abiogenesis), but it does explain how early lifeforms evolved into the complex ecosystem that we see ...
Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]
The Causes of Evolution is a 1932 book on evolution by J.B.S. Haldane (1990 edition ISBN 0-691-02442-1), based on a series of January 1931 lectures entitled "A Re-examination of Darwinism". It was influential in the founding of population genetics and the modern synthesis .
The gene-centred view of evolution rose to prominence in the 1960s, followed by the neutral theory of molecular evolution, sparking debates over adaptationism, the unit of selection, and the relative importance of genetic drift versus natural selection as causes of evolution. [2]
The eventual ancestor of cattle, aurochs (Bos primigenus), evolves in India. 1.7 Ma Australopithecines go extinct. 1.2 Ma Evolution of Homo antecessor. The last members of Paranthropus die out. 1 Ma First coyotes. 810 ka First wolves: 600 ka Evolution of Homo heidelbergensis. 400 ka First polar bears. 350 ka Evolution of Neanderthals. 300 ka
More recently, the merge between biological science and applied sciences gave birth to new fields that are extensions of evolutionary biology, including evolutionary robotics, engineering, [2] algorithms, [3] economics, [4] and architecture. [5] The basic mechanisms of evolution are applied directly or indirectly to come up with novel designs ...