How does cycas resemble bryophyte and pteridophyte?
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Pteridophytes are most advanced cryptogams. Vascular tissues are present in the plant body. Therefore pteridophytes are also called vascular cryptogams. The plant body is differentiated into roots, stem and leaves. The ferns are a large group included under pteridophytes.
Pteridophyta is divide into four classes. They are the following
Psilopsida- eg: Psilotum
Lycopsida- eg: Lycopodium, Selag inella etc
Sphenosida- eg: Equisetum
Pteridopsida-eg: Nephrolepis, Pteris , Dryopteris etc.
Gymnosperms are naked-seeded plants. The seeds are not enclosed in fruits. They do not produce flowers and they are regarded as primitive seed plants. They include mostly evergreen trees like conifers and cycads.
Gymnosperms are divided into three different classes.
Pteridophyta is divide into four classes. They are the following
Psilopsida- eg: Psilotum
Lycopsida- eg: Lycopodium, Selag inella etc
Sphenosida- eg: Equisetum
Pteridopsida-eg: Nephrolepis, Pteris , Dryopteris etc.
Gymnosperms are naked-seeded plants. The seeds are not enclosed in fruits. They do not produce flowers and they are regarded as primitive seed plants. They include mostly evergreen trees like conifers and cycads.
Gymnosperms are divided into three different classes.
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