Recognized the vital role of the internal environment and suggested that the objective of mechanisms within the body is to preserve the constant conditions of the internal environment.
a. carolus linnaeus
b. claude bernard
c. schwann and schleiden
d. robert hook

Carolus Linnaeus recognized the vital role of the internal environment and suggested that objective of mechanisms within the body is to preserve the constant conditions of the internal environment.
He was later known as the creator of current modern system of naming animals called binomial nomenclature 

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Single strand binding protein by peptide bond