Changes

* To control cascades of chemical reactions (e.g., metabolism), resulting in growth to maturity, steady-state maintenance, defense against predators and chemical deterioration, energy- conversion processes, reproduction, followed by a more-or-less rapid senescence and expiry"  

* To control cascades of chemical reactions (e.g., metabolism), resulting in growth to maturity, steady-state maintenance, defense against predators and chemical deterioration, energy- conversion processes, reproduction, followed by a more-or-less rapid senescence and expiry"  

==Some Specific Problems for Naturalistic Explanations of the Origin of Life==

==Problems for origin of life views involving only nature==

[[File:Francis_Crick.jpg|thumb|right|thumbnail|200px|[[Francis Crick]] ]]

[[File:Francis_Crick.jpg|thumb|right|thumbnail|200px|[[Francis Crick]] ]]

The attempt to explain the origin of life faces numerous difficult problems which is why the theory has not fared well in recent times:

The attempt to explain the origin of life faces numerous difficult problems which is why the theory has not fared well in recent times: