E.g. Genes are particular kinds of arrangements of molecules.
Temperature and pressure are macro properties arising from many interactions of molecules. E.g. Motivation and behavior can best be explained by reference to beliefs and desires. Enlightenment' of Reductionism and Holism - Essentially admit the validity of aspects of the other view. Especially for the sake of doing science, i.e. be an instrumentalist about the other view. Emergence - The coming about of a system property not evident from the examination of parts of a system.