How gymnosperm are more evolved than pteridophytes ? Explain (5 marks questions)
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Gymnosperms has seeds that are covered and also has the ability to produce fruits ..
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HIIII
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How did gymnosperms evolved?
Seed ferns gave rise to the gymnosperms during the Paleozoic Era, about 390 million years ago. ... True seed plants became more numerous and diverse during the Carboniferous period around 319 million years ago; an explosion that appears to be due to a whole genome duplication event.
In pteridophytes both microspores and megaspores are released from their respective sporangia, whereas in gymnosperms, megaspore is permanently retained. 9. There is pollination in gymnosperms, while it is absent in pteridophytes. ... Gymnosperms are seed plants (spermatophytes), while there is no seed in pteridophytes.
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