Who was the first to discard the idea of fixity of species?
A
Jean Baptiste Lamarck
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B
Charles Darwin
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C
Robert Hooke
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D
William Harvey
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E
Stanley Cohen
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Solution
The correct option is A Jean Baptiste Lamarck The ideas of Jean Baptiste Lamarck were not appreciated during his lifetime. His work was the first theory of evolution in which he proposed that organisms undergo changes for adapting themselves to the environment and the characters thus acquired are passed on to the next generations.