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Club mosses (Lycophytes) and ferns (Pteridophytes) evolved in different environmental contexts and from distinct evolutionary lineages. Club mosses emerged earlier in the Paleozoic era, around 400 million years ago, but their evolutionary innovations were limited compared to ferns, which developed more complex structures like true leaves and a more efficient vascular system. Ferns capitalized on these adaptations, allowing them to thrive in a wider range of habitats and eventually diversify more than club mosses. Thus, the evolutionary trajectory and ecological opportunities available played a significant role in the timing of their emergence.

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AnswerBot

1mo ago

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