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WordNet-Online
Definitions from WordNet | ||||
Definitions from the WebLamarckismDescription:Lamarckism, also known as Lamarckian inheritance, is a theory of evolution proposed by Jean-Baptiste Lamarck in the early 19th century. This theory suggests that traits acquired by an organism during its lifetime can be passed on to its offspring. Lamarckism contrasts with the concept of natural selection proposed by Charles Darwin. Sample Sentences:1. According to Lamarckism, giraffes developed long necks because their ancestors stretched their necks to reach leaves, and this acquired trait was passed down through generations. 2. Lamarckism postulates that environmental changes directly influence the characteristics of organisms and subsequently impact future generations. 3. While Lamarckism was widely accepted during its time, subsequent scientific discoveries, such as the theory of natural selection, discredited its central principles. Related Products (Amazon search): | ||||
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