It is estimated that animal- or insect-pollinated plants produce 1000 pollen grains for each ovule;wind-pollinated plants produce 1,000,000 pollen grains for each ovule.What does that indicate about pollination systems?

Question

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Wind-pollinated plants produce a much higher number of pollen grains for each ovule compared to animal or insect-pollinated plants. This high quantity is required because the chance of successful pollination is much lower in the case of wind pollination, as the pollen has to travel much longer distances in the wind to reach the female reproductive structures. This indicates that wind pollination is less efficient than animal-assisted pollination.

It Is Estimated That Animal- or Insect-Pollinated Plants Produce 1000