consider the case of the bombardier beetle. this beetle has a fully equipped chemical weapon. it has a storage vessel that holds 2 chemicals. hydroquinone, and hydrogen peroxide. normally these chemicals would react but a third chemical stored in the beetle inhibits the reaction. but when threatened, the beetle fills an empty chamber in its body with the chemicals. then, two other chemicals are released into the mixture called catalese and peroxide. these chemicals cause the hydrogen peroxide and hydroquinone to react violently producing a great amount of heat and pressure in the reaction vessel shooting out a 200 degree liquid out at the enemy. now,
any one of these chemicals, or vessels in thebeetle alone, would be useless. if the beetle had everything but the hydroquinone, they would all be useless. now evolution uses the theory of natural selection which is like a puzzle. it adds one piece to the puzzle at a time, and if that piece is useless, it takes it away, CONTINUED EDIT
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