Answer:
Explanation:
Pollen tubes are produced by the male gametophytes of seed plants. Pollen tubes act as conduits to transport the male gamete cells from the pollen grain—either from the stigma (in flowering plants) to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms.
Galaxy , solar system, planet, moon
Sensation (A) is the term for the process of sensory organs detecting external stimuli and transmitting these stimuli to the brain.
Pollination.....................
Answer:
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