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Properties Of Living Organisms

A capacity for evolution

A capacity for self-replication

A capacity for growth and differentiation via a genetic program

A capacity for self-regulation, to keep the complex system in a steady state (homeostasis, feedback)

A capacity (through perception and sense organs) for response to stimuli from the environment

A capacity for change at the level of phenotype and of genotype

SOURCE: Ernst Mayr, This is Biology: The Science of the Living World (1997).

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Science EncyclopediaScience & Philosophy: Bilateral symmetry to Boolean algebraBiology - The Origins Of Biology, Modern Biology, Properties Of Living Organisms, Early Definitions Of Biology