What trend do we observe as we look at alternation of generations and plant kingdom evolution?

Question

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As we look at alternation of generations and plant kingdom evolution, we observe that the sporophyte generation becomes dominant in more advanced plants. This means that the diploid sporophyte generation takes over as the dominant phase in the life cycle of plants, while the haploid gametophyte generation becomes reduced in size and importance. This trend is seen in higher plants, including seed plants (gymnosperms and angiosperms), where the sporophyte generation is the dominant phase of the life cycle.

What Trend Do We Observe as We Look at Alternation