Evolution by Atrophy in Biology and Sociology

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D. Appleton, 1899 - 316 páginas
 

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Página 80 - A plant of Drosera, with the edges of its leaves curled inwards, so as to form a temporary stomach, with the glands of the closely inflected tentacles pouring forth their acid secretion, which dissolves animal matter, afterwards to be absorbed, may be said to feed like an animal.

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