Thus It Seemed To Haeckel That Such

Since Natural Selection Requires A Function To Select, An Irreducibly Complex Biological System, If There Is Such A Thing, Would Have To Arise As An Integrated Unit For Natural Selection To Have Anything To Act On.

The Basic Structure Of Proteins Is Quite Simple: They Are Formed By Hooking Together In A Chain Discrete Subunits Called Amino Acids.

A Man From A Primitive Culture Who Sees An Automobile Might Guess That It Was Powered By The Wind Or By An Antelope Hidden Under The Car, But When He Opens Up The Hood And Sees The Engine He Immediately Realizes That It Was Designed.

Thus It Seemed To Haeckel That Such Simple Life Could Easily Be Produced From Inanimate Material.

In Darwin's Time All Of Biology Was A Black Box: Not Only The Cell, Or The Eye, Or Digestion, Or Immunity, But Every Biological Structure And Function Because, Ultimately, No One Could Explain How Biological Processes Occurred.