Arrange the following terms in the correct developmental sequence: Pollen grain, sporogenous tissue, microspore tetrad, pollen mother cell, male gametes.
Arrange the following stages in the correct developmental sequence, starting from the early stage of microsporangium development to the release of mature pollen grains: I. Differentiation of sporogenous tissue within the microsporangium. II. Meiotic divisions of microspore mother cells (PMCs) to form microspore tetrads. III. Dissociation of microspores from tetrads and their development into individual pollen grains. IV. Formation of two-layered pollen grain wall (exine and intine). V. Maturation of pollen grains to contain a vegetative cell and a generative cell. VI. Dehiscence of anther leading to the release of pollen grains.
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