POLLEN LÀ GÌ

     
a powder, produced by the male part of a flower, that causes the female part of the same type of flower lớn produce seeds. It is carried by insects or the wind.


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a powder produced by the male part of a flower that causes the female part of other flowers of the same type to lớn produce seeds
Local honey is best because it contains the specific pollens from your area that may sensitize và lead a pet to have allergies.
Even if pollution is low, airborne pollen & mold can make a trip outdoors particularly daunting for people with respiratory conditions.
Or is a climate-changed ecosystem forcing flowers khổng lồ blossom too early or shrinking supplies of pollen?
Or were they generalists, buzzing around lớn collect pollen from a variety of flowers in their midst?
Increased pollen counts và smoke from wildfires -- both of which are predicted to lớn rise in a warming world - will also contribute lớn ozone formation.
However, the molecular mechanism on how pollen tubes become capable of responding to attractant molecules has not been uncovered.
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