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Definitions of Life (systemic (living system theory) (Stuart…
Definitions
of Life
biology
p
physiological functions
(traits)
homeostasis
regulation of the internal environment to maintain a constant state
e.g. sweating to reduce temperature
organization
structurally composed of one or more cells
metabolism
transformation of energy by converting chemicals and energy into
cellular components (
anabolism
)
decomposing matter (
catabolism
)
growth
maintenance of a higher rate of anabolism than catabolism
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adaptation
ability to change over time in response to the environment
response to stimuli
reproduction
ability to produce new individual organisms
aesexually
single parent organism
sexually
two parents orgarnisms
physics
thermodynamic
system with organized molecular structure that can
reproduce itself
evolve as survival dictates
so it is a self-sustained chemical system
capable of undergoing
Darwinian evolution
open system which makes use of gradients in its surroundings
to create imperfect copies of itself
systemic
(living system theory)
self-organizing
definition that doesn't depend on chemistry
autopoietic
(self-reproducing)
Stuart Kauffman's definition
autonomous agent
multi-agent system
capable of
reproducing
themselves
itself
completing
at least one thermodynamic work cycle
biophysics
minimum phenomena required
living things function on negative entropy
i.e. living things are a delay of the spontaneous
diffusion
dispersion
of the internal energy
of biological molecules
towards more potential microstates
open continuous systems
able to decrease their internal entropy
at the expense of
substances
free energy
taken in from the environment
and rejected in degraded form
Living System Theories
CONTINUE
FROM
HERE