Claude bernard first recognized
a. separate fluids outside and inside the cell
b. plant stomata opening and closing to maintain homeostasis
c. feedback loops
d. chemical reactions of enzymes

The right option is; B. plant stomata opening and closing to maintain homeostasis.

Claude Bernard was a French physiologist who created the associated concept of homeostasis. Claude Bernard stated that the stability of the internal environment is responsible for the liberated, and independent life. He also wrote that though the living body needs the external environment but it does not relatively depend on it.

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