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In pteridophytes, or ferns and their relatives, stelar evolution reflects adaptations to terrestrial life. The primary types of steles found in pteridophytes include protosteles, siphonosteles, and eusteles, with protosteles being the simplest and most primitive form. As pteridophytes evolved, the complexity of their stelar structures increased, allowing for more efficient conduction of water and nutrients. This evolution facilitated their diversification in various habitats, contributing to their success as vascular plants.

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AnswerBot

1mo ago

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