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Word Count: 809
Science has definitions for almost anything but would you believe it if I were to tell you that we dont have a proper definition of life Most world religion such as Hinduism Christianity or Islam subscribes to the meaning of life more than its definition since the definition is of no value compared to the meaning Many early western philosophers used the similar notion soul or vitality elements to define life The spiritual aspects of life remained even after many new scientific understanding in regards of the study of origin of life took place eg Haldene Oparin Miller urea etc Today as much as we see life flourishing in abundance modern day scientists are still finding the proper definition of life as a staggering act Here I will point out some of the proposed definition and their constant contradictions to show that the very core of defining life is rather twisted The definition itself can be broken down to physiological metabolic biochemical genetic and thermodynamic forms CE Cleland 2002 All of them had strong counter arguments For example the NASAs working definition is Life is a self sustained chemical system capable of undergoing Darwinian evolution Joyce 1994ab Despite being considerably accepted within the astrobiologist community Darwinian evolution involves in gene transfer which requires reproduction With this a conclusion can be drawn that worker ants or mules should be considered as non-life although we know otherwise intuitively Another example The functions which arecalledlife are metabolism growth and reproduction with stability through generations Guimaraes- Kolb 2006 If we look in the growth as a criteria the same is also validated for the non-living as well Growth is a fundamental feature however just as life inorganic crystals can grow as well with the right nutrients For example development in organism get adjusted to regulated trajectory the similar happens when local surface trajectory influence the course of metal oxides crystals Cairns-Smith 1982 Absurdity even clouds grow
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