Lamarck’s evolution theory could be summarised by the statement that
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Lamarck’s evolution theory could be summarised by the statement that the changing environment imposes structural physiological and behavioural changes in organisms. According to Lamarck, organisms adapt to their environment through the use or disuse of organs, and these acquired characteristics can be passed on to their offspring. For example, if an organism repeatedly uses a certain organ, that organ will become more developed and passed on to its offspring. Lamarck believed that these adaptations over time led to the evolution of new species. However, this theory has been largely disproven by modern science, as genetic changes and natural selection are now understood to be the primary drivers of evolution.