life definition

biological modern definition of life?

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    The definition of life, as given by biology-online.org, states that “A distinctive characteristic of a living organism from dead organism or non-living thing, as specifically distinguished by the capacity to grow, metabolize, respond (to stimuli), adapt, and reproduce.” The ability to communicate with others of one’s species can probably be thrown in there (at least for complex multi-cell organisms), but that may fit under the umbrella of ‘respond to stimuli.’ Of course, this describes life on this planet, which for all we know could be something else, somewhere else. The definition seems to be very accurate, in that living things go through life cycles from birth to death, and all have roughly 3 basic needs: sustenance/nourishment, protection/self preservation, and procreation/continuation of the species. 

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