Final answer:
Hector Guimard's Banquette, c. 1897, is a true example of Art Nouveau with its asymmetry, fluid lines, and natural aesthetic, embodying the idea of metamorphosis and transformation.
Step-by-step explanation:
The statement is true. Hector Guimard's Banquette, c. 1897, is a prime example of the Art Nouveau style, characterized by asymmetry, fluid and organic lines, and a natural aesthetic. The design of the banquette incorporates the idea of metamorphosis, representing the concept of transformation and the cycle of life and death.