英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

Pteridophyta    
蕨类植物门; 蕨类植物门

蕨类植物门; 蕨类植物门

Pteridophyta
n 1: containing all the vascular plants that do not bear seeds:
ferns, horsetails, club mosses, and whisk ferns; in some
classifications considered a subdivision of Tracheophyta
[synonym: {Pteridophyta}, {division Pteridophyta}]


请选择你想看的字典辞典:
单词字典翻译
Pteridophyta查看 Pteridophyta 在百度字典中的解释百度英翻中〔查看〕
Pteridophyta查看 Pteridophyta 在Google字典中的解释Google英翻中〔查看〕
Pteridophyta查看 Pteridophyta 在Yahoo字典中的解释Yahoo英翻中〔查看〕





安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Pteridophyte - Wikipedia
    The term "fern ally" included under Pteridophyta generally refers to vascular spore-bearing plants that are not ferns, including lycopods, horsetails, whisk ferns and water ferns (Marsileaceae, Salviniaceae and Ceratopteris)
  • Pteridophyta - Definition, Characteristics, Classification, Uses
    Pteridophyta is a division of the kingdom Plantae that consists of plants that dominated the planet before the evolutionary appearance of seed-producing plants
  • What Is Pteridophyta? Definition, Types, and Uses
    Pteridophyta is a group of vascular plants that reproduce using spores instead of seeds This group includes ferns, clubmosses, horsetails, and their relatives, comprising around 13,000 known species found in nearly every habitat on Earth
  • 6. 2: Pteridophyta - the Ferns - Biology LibreTexts
    Pteridophyta, ferns and allies, have approximately 12,000 species and six classes (Figure 6 2 1) They have a sporic life cycle with sporophyte predominance whereas their gametophytes are often reduced to prothallium, small hornwort-like plant
  • Pteridophyta - Characteristics, Life Cycle, Classification, Examples . . .
    What is Pteridophyta? Pteridophyta, commonly known as pteridophytes, are vascular plants characterized by the presence of xylem and phloem These plants reproduce via spores rather than seeds or flowers, earning them the classification of cryptogams—plants with hidden reproductive processes
  • Classification of Pteridophytes (6 ways) with Examples
    The classification of pteridophytes has undergone various changes over the years The traditional system of classification of vascular plants was based on the presence or absence of seeds The vascular plants that possess seeds were included under the division Spermatophyta and those that do not produce seeds were placed under Pteridophyta
  • What Are Pteridophytes? Characteristics, Life Cycle Types
    Discover how Pteridophytes (ferns and allies) became the first vascular plants Learn about their structure and complex spore-based life cycle
  • Pteridophytes: Origin, Classification and Importance | Botany
    Since a long time vascular plants are customarily divided into pteridophyta and Spermatophyla This classification was based on the assumption that the former lack the seeds while the latter produced them
  • Pteridophytes; Characteristics And Habitat - BioQuestOnline
    The term Pteridophyta is derivation of Greek word, where “pteron” means “feather” and “phyton” means “plant ” Plants in this group have feather-like fronds or leaves Pteridophyta is classified under Cryptogams along with Thallophyta (algae and fungi) and Bryophytes
  • Pteridophytes - Live Plant Collections
    Ferns Horsetails Along with the club mosses, ferns and horsetails are part of a group called Pteridophytes This group includes all vascular plants that reproduce through spores, rather than seeds Ferns and horsetails stand apart from club mosses by their leaves While clubmosses have simple leaves with just one vein (called “microphylls”), ferns and horsetails have true, complex leaves





中文字典-英文字典  2005-2009