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Evolutionary Speculation by Erasmus Darwin

Delve into the early theories of evolution by the renowned English medical doctor, poet, inventor, and naturalist, Erasmus Darwin. Explore his speculative ideas on the unity of organic life, heredity, and the struggle of existence for the evolutionary process presented in works like Zoonomia and Temple of Nature.

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Evolutionary Speculation by Erasmus Darwin

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  1. Early Speculation and Theory • ORGANIC LIFE beneath the shoreless wavesWas born and nurs'd in Ocean's pearly caves;First forms minute, unseen by spheric glass,Move on the mud, or pierce the watery mass;These, as successive generations bloom,New powers acquire, and larger limbs assume;Whence countless groups of vegetation spring,And breathing realms of fin, and feet, and wing. (Erasmus ,1802) Darwin

  2. Erasmus Darwin (1731-1802) • Renowned English medical doctor, poet, inventor, and naturalist. • Also, Charles Darwin’s grandfather • In Zoonomia (1794-1796) and Temple of Nature (1802), offered speculative theory of evolution • Did not clearly articulate the theory of natural selection, though presented basic ideas such as: • unity of organic life • importance of heredity, and • struggle of existence for the evolutionary process

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