Biology, asked by mahnoorkakar483, 7 months ago


How Petridophytes are
evolutionary significant as
compared to other
group
of plants? explain.​

Answers

Answered by KeshaDesai
1

Answer:

A pteridophyte is a vascular plant (with xylem and phloem) that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden. Ferns, horsetails (often treated as ferns), and lycophytes (clubmosses, spikemosses, and quillworts) are all pteridophytes. However, they do not form a monophyletic group because ferns (and horsetails) are more closely related to seed plants than to lycophytes. "Pteridophyta" is thus no longer a widely accepted taxon, but the term pteridophyte remains in common parlance, as do pteridology and pteridologist as a science and its practitioner, respectively. Ferns and lycophytes share a life cycle and are often collectively treated or studied, for example by the International Association of Pteridologists and the Pteridophyte Phylogeny Group.

Answered by Anonymous
2

Explanation:

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How Petridophytes are evolutionary significant as compared to other group of plants?

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They were first vascular plants on land and first successful terrestrial plants with the true roots,stem and leavesthey do not produce fruits, flowers,seeds so ,the late Paleozoic ere is regarded as pteridophytes

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what is a Pteridophytes?

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--} Pteridophytes (ferns and lycophytes) are free-sporing vascular plants that have a life cycle with alternating, free-living gametophyte and sporophyte phases that are independent at maturity. The body of the sporophyte is well differentiated into roots, stem and leaves. The root system is always adventitious. The stem is either underground or aerial. The leaves may be microphylls or megaphylls. Their other common characteristics include vascular plant apomorphies (e.g., vascular tissue) and land plant plesiomorphies (e.g., spore dispersal and the absence of seeds).

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