Question

GIvet three similarities between pteridophyta and spermatophta

Answer 1

Similarities between Pteridophytes and Gymnosperms:

1. There is a regular heteromorphic alternation of generations.
2. Sporophyte is the predominant plant body and is differentiated into root, stem and leaves.
3. Some pteridophytes and some gymnosperms exhibit air cinate vernation in young leaves.
4. There are no vessels anatomically in both pteridophytes (except Selaginella, Marsilea) and gymnosperms (except Gnetales).
5. Phloem does not have companion cells.
6. Spores are always haploid as they are always a product of meiosis.

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