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- In early 1800s, the French naturalist Jean-Baptiste Lamarck proposed the idea that species change over time. He argued that organisms could intentionally make changes to adapt to their environment, and pass those changes to the next generation.
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How did Jean Baptiste Lamarck explain evolution of life?
How did Lamarck classify mollusks?
How did Lamarckism influence evolution?
What did Jean-Baptiste Lamarck believe?
Jean-Baptiste Lamarck proposed that acquired characteristics were inheritable. For example, as a giraffe stretches its neck to browse higher in trees, the continuation of the habit over an extended period results in a gradual lengthening of the limbs and neck.
- The Editors of Encyclopaedia Britannica
Like Buffon, Lamarck believed that life had begun through spontaneous generation. But he claimed that new primitive life forms sprang up throughout the history of life; today’s microbes were simply “the new kids on the block.” Lamarck also proposed that organisms were driven from simple to increasingly more complex forms.
His classification of the mollusks was far in advance of anything proposed previously; Lamarck broke with tradition in removing the tunicates and the barnacles from the Mollusca. He also anticipated the work of Schleiden & Schwann in cell theory in stating that:
In early 1800s, the French naturalist Jean-Baptiste Lamarck proposed the idea that species change over time. He argued that organisms could intentionally make changes to adapt to their environment, and pass those changes to the next generation.
The first systematic presentation of evolution was put forth by the French scientist Jean Baptiste de Lamarck (1774-1829) in 1809. Lamarck described a mechanism by which he believed evolution could occur.
Mar 6, 2019 · The first general theory of evolution of life was put forward by Jean Baptiste Lamarck in 1809 in his book Philosophie Zoologique. Simple organisms are spontaneously generated from inanimate matter and evolve into more complex ones.
