Answer:
The correct answer will be 1809.
Step-by-step explanation:
Jean-Baptiste Lamarck or Lamarck is best known for his theory of evolution called "Theory of Inheritance of Acquired Characteristics" which proposed a mechanism of change of species on the basis of use and disuse of organs.
Lamarck published series of books on paleontology and invertebrate zoology but his book Philosophie zoologique which was published in 1809 clearly stated his theories of evolution.
Thus, 1809 is the correct answer.