Question
Arrange the following terms in correct developmental sequence:
Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.
Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.
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Name the unlabelled areas ‘a’ and ‘b’ of the pie chart (given above) representing the global biodiversity of invertebrates showing their proportionate number of species of major taxa.