q what do you mean by pollenpollen grains are the
Q. What do you mean by pollen?
Pollen grains are the male gametophytes of the phanerogamic (flowering) plants So within the pollen grains the male gametes of these plants are formed by mitosis.
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q how different are gymnosperms from pteridophytes and bryophytesgymnosperms are not cryptogamic as pteridophytes and bryophytes are they are
q what is the evolutionary importance of the emergence of seeds in the plant kingdomthe evolutionary significance of the seed is related to the plant
q in which areas of the globe is gymnosperm abundance noteworthythese plants are the typical vegetation of cold regions like the boreal forest or
q what is the life cycle of the gymnospermsas all plants they present a diplobiontic life cycle that is alternation of generations with haploid and
q what do you mean by pollenpollen grains are the male gametophytes of the phanerogamic flowering plants so within the pollen grains the male gametes
q how are the male gametes of gymnosperms formed what is the relationship between the pollen grains and the concept of alternation of generationsin
q how are the female gametes of gymnosperms formed what is the relationship between this process and the concept of alternation of generationsin the
q how do zygote and fecundation formation occur in these plants do these processes depend on waterthe microsporangia in the male strobile rupture at
q how is the gymnosperm seeds formed what are the ploidies of the structures that compose the seedstheir seeds are produced from differentiation of
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