Two strategy adopted by bisexual flower to prevent self pollination
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Contrivances for Cross-Pollination: It seems that Nature favours cross-pollination as opposed to self-pollination. It is a study of this partiality on the part of Nature that so greatly impressed Darwin. All unisexual flowers and a large majority of bisexual flowers are naturally cross-pollinated.
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Answer:There are many...
Explanation:
Dicliny - Male -female flowers born on different plants
Heterostyly - Height of stamens and pistils differ...
Herkogamy - Physical barriers
Self incompatibility - Will not be pollinated by pollen grains of same plant ..
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