Question
Suggest the biological significance of each of the following
i) Development of the pollen tube in fertilization in plants.
ii) Fusion of petals to form funnel-shaped corolla tube in certain flowers
i) Development of the pollen tube in fertilization in plants.
ii) Fusion of petals to form funnel-shaped corolla tube in certain flowers
Answer
i)To provide a passage for the male gametes to the embryo sac for fertilization to occur;
ii)To enable easy entry of insects into the flower for pollination; to provide landing surface for insect pollinators
ii)To enable easy entry of insects into the flower for pollination; to provide landing surface for insect pollinators
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