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What is Life?Douglas Goodwin2/13/2013
Wednesday, February 13, 13
Atomismeverything is made of atomsall else is voidatoms interact mechanistically as they movelife a complex arrangement (and movement) of atoms
Wednesday, February 13, 13
Hylomorphism1. The soul grants life2. Life is a property of living beings--compare knowledge and health3. The soul is a property or properties that belong to a living thing4. The soul is to the body as form is to matter
Wednesday, February 13, 13
VitalismLife is not material, it is energyLife comes from organic materials
Wednesday, February 13, 13
What is Life? Erwin Schrödinger, 1944Can the events experienced and produced by a living being be accounted for by physics and chemistry?
Inherited traits must be stored in an aperiodic crystal that contains genetic information in its configuration of covalent chemical bonds.
Wednesday, February 13, 13
Contemporary Definition1. Homeostasis: Regulation to maintain a constant state.
2. Organization: Being structurally composed of one or more cells.
3. Metabolism: Transformation of energy by converting chemicals and energy into cellular components (anabolism) and decomposing organic matter (catabolism).
4. Growth: Maintenance of a higher rate of anabolism than catabolism. A growing organism increases in size in all of its parts, rather than simply accumulating matter.
5. Adaptation: The ability to change over time in response to the environment.
6. Response to stimuli.
7. Reproduction: The ability to produce new individual organisms, either asexually from a single parent organism, or sexually from two parent organisms.
Wednesday, February 13, 13