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aristotle's biology
" 4. He watched the development of seeds and was able to some extent to distinguish between dicotyledons and monocotyledons.
" 5. He established a relationship between structure and habits, and approaches the conception of geographical distribution.
" 6. He saw the need for a general classification of plants and made some attempt at a system, though he failed to produce one which was in fact workable.
" 7. He perceived a general relation between structure and junction in plants, and thus laid the basis of scientific botany."61
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