Complex sentence: Lamarck developed Lamarckism, the first coherent theory of evolution, proposing in "Philosophie Zoologique" (1809) and other works his theory of the transmutation of species and drawing a genealogical tree to show the genetic connection of organisms.
Split into simpler sentences: Lamarck developed Lamarckism, the first coherent theory of evolution, proposing in "Philosophie Zoologique" (1809) and other works his theory of the transmutation of species. He constructed a genealogical tree to show the genetic connection of organisms.