Question

why secondary growth is absent in pteridophytes​

Answer 1

Answer:

Pteridophyte does not show secondary growth because cambium is absent. Exception Isoetes shows secondary growth. .Isoetes has retained the cambium and some secondary growth and it has rootlets that resemble those of the extinct trees.

Explanation:

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Answer 2

Answer:

Pteridophytes does not show secondary growth because cambium is absent.

Explanation:

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