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Lamarck was the first to propose the theory of evolution, observing changes in invertebrate fossils and arguing that organisms adapt to survive in their environments. His theory included the idea of passing on acquired traits to offspring. Lamarck’s theory was not well respected during his time due to his lack of belief in a deity involved in creation.
Charles Darwin is known for the theory of evolution which he presented in 1859, but the French naturalist Jean Baptiste Pierre Antoine de Monet, Chevalier de Lamarck was actually the first person to postulate the theory of evolution. While studying invertebrates, such as spiders and worms, Lamarck noticed changes in their fossils over time. This led him to develop a theory of evolution, in which he argued that organisms change to survive in their environments. For example, his theory stated that a giraffe’s neck gradually got longer as it stretched thicker for leaves, and it would pass the longer neck on to its offspring. Lamarck’s theory was that this would continue from generation to generation until the species became “perfect”.
More information on Jean Baptiste Lamarck:
Lamarck began studying natural sciences after being discharged from the Army due to a neck injury that occurred when a fellow soldier lifted him by the head as a joke.
The word “invertebrate” is often credited with being invented by Lamarck.
Lamarck’s theory of evolution was not well respected during his time because he did not believe that deity was involved in creation. His death notice did not include information about his contributions to evolutionary theory.
