Before revision: Each subassembly could be put down without falling apart.|} See also Abiogenesis Cell theory Cellular differentiation Composition of the human body Evolution of biological complexity Evolutionary biology Gaia hypothesis Hierarchy theory Holon (philosophy) Human ecology Level of analysis Living systems Noogenesis Self-organization Spontaneous order Structuralism (biology) Timeline of the evolutionary history of life Notes References External links 2011's theoretical/mathematical discussion.
After revision: Each subassembly could be put down without falling apart.|} See also Abiogenesis Cell theory Cellular differentiation Composition of the human body Evolution of biological complexity Evolutionary biology Gaia hypothesis Hierarchy theory Holon (philosophy) Human ecology Level of analysis Living systems Self-organization Spontaneous order Structuralism (biology) Timeline of the evolutionary history of life Notes References External links 2011's theoretical/mathematical discussion.