pteridophyta wikipedia - EAS
- 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.
en.wikipedia.org/wiki/Pteridophyte - Mọi người cũng hỏi
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Xem tất cả trên Wikipediahttps://en.wikipedia.org/wiki/PteridophyteA 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
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Xem thêmPteridophytes (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
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Xem thêmPhylogeny
Of the pteridophytes, ferns account for nearly 90% of the extant diversity. Smith et al. (2006), the first higher-level pteridophyte classification published in the molecular phylogenetic era, considered the ferns as monilophytes,...
Xem thêmJust as with bryophytes and spermatophytes (seed plants), the life cycle of pteridophytes involves alternation of generations. This means that a diploid generation (the sporophyte, which produces spores) is followed by a haploid generation (the
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Xem thêm• Cantino, Philip D.; Doyle, James A.; Graham, Sean W.; Judd, Walter S.; Olmstead, Richard G.; Soltis, Douglas E.; Soltis, Pamela S.; Donoghue, Michael J. (1 August 2007). "Towards a
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Xem thêm• British Pteridological Society
• Annual Review of Pteridological Research
• "Pteridophyta" . Encyclopædia Britannica (11th ed.). 1911....
Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồi- https://es.wikipedia.org/wiki/Pteridophyta
Para una introducción a estas plantas véase la sección de plantas terrestres en «Planta»
Las pteridofitas, pteridófitas (nombre científico Pteridophyta), criptógamas vasculares, o, generalmente, helechos y afines se pueden definir como traqueofitas con alternancia de generaciones bien manifiesta, donde el esporófitoes …Wikipedia · Nội dung trong CC-BY-SA giấy phép - https://fr.wikipedia.org/wiki/PteridophytaXem thêm trên fr.wikipedia.orgAu vu des connaissances disponibles, dans leurs habitats, ce groupe taxonomique semble être caractérisé par quelques caractéristiques inhabituelles dans le monde du vivant : 1. des interactions relativement réduites avec les autres espèces ; la reproduction et la dispersion de leurs spores se font en général sans intervention …
- Règne: Plantae
- Sous-règne: Tracheophyta
- https://it.wikipedia.org/wiki/PteridophytaXem thêm trên it.wikipedia.orgLo sporofito è il più importante per la determinazione della pianta (è la parte della felce che comunemente vediamo), essendo più cospicuo ed evolutivamente meno conservato. Lo sporofito è un cormo (un corpo multicellulare organizzato in tessuti e organi, con un germoglio fotosintetico, una radice per l'assorbimento di acqua …
- Dominio: Eukaryota
- Sottoregno: Tracheobionta
- Regno: Plantae
- Divisione: Pteridophyta
