Reproduction
Reproduction is the biological process by which new individual organisms are produced. Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction.
The known methods of reproduction are grouped into two main divisions, sexual and asexual reproduction. In asexual reproduction, an individual can reproduce without the involvement of another individual of that species. The division of a bacterial cell into two daughter cells is a common example of asexual reproduction. It is not, however, limited to single cell organisms.
Sexual reproduction, however, requires the involvement of two individuals of a species, typically one of each sex. Normal human reproduction is a common example of sexual reproduction. Generally, more complex organisms reproduce sexually while simpler, usually unicellular organisms reproduce asexually.
The known methods of reproduction are grouped into two main divisions, sexual and asexual reproduction. In asexual reproduction, an individual can reproduce without the involvement of another individual of that species. The division of a bacterial cell into two daughter cells is a common example of asexual reproduction. It is not, however, limited to single cell organisms.
Sexual reproduction, however, requires the involvement of two individuals of a species, typically one of each sex. Normal human reproduction is a common example of sexual reproduction. Generally, more complex organisms reproduce sexually while simpler, usually unicellular organisms reproduce asexually.
Source: wikipedia, under GFDL
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