'''Reproduction''' is the process by which a living creature creates offspring.
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'''Reproduction''' is the process of creating more life from existing life. Some creatures can reproduce themselves (see [[one-celled animals]]). Higher forms of life require a male and female for this (see [[sexual reproduction]]).
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The ability to reproduce is a key aspect of life. Things which cannot reproduce themselves are not considered to be alive in the full sense (but see [[virus]]).
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Biologists usually do not consider how it is that the first living creatures came into being and acquired the ability to produce offspring.