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:



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:


  • Seed plant - Wikipedia
    A seed plant or spermatophyte (lit 'seed plant'; New Latin spermat- and Greek φυτόν (phytón)|plant), [1] also known as a phanerogam (taxon Phanerogamae) or a phaenogam (taxon Phaenogamae), is any plant that produces seeds
  • Seed plant | Definition, Examples, Taxonomy | Britannica
    Seed plant, any of the more than 300,000 species of seed-bearing vascular plants Although the taxonomic division Spermatophyta is no longer accepted, the term ‘spermatophyte’ is used to refer collectively to the angiosperms and gymnosperms
  • 7. 6: Spermatophyta - Seed Plants - Biology LibreTexts
    Higher groups of seed plants lost flagellate spermatozoa and developed pollen tubes The classes of Spermatophyta are Ginkgoopsida, Cycadopsida, Pinopsida, Gnetopsida, and Angiospermae Ginkgoopsida is just one species; ginkgo or maidenhair tree (Ginkgo biloba)
  • Spermophyte Plants - Seed Plants Definition With Examples and Photos
    What are spermophyte plants? The word spermatophyte translated literally means ‘seed-bearing plants’ This comes from the union of the two Greek words sperma (meaning ‘seed’) and fiton (meaning plant)
  • Spermatophyte - an overview | ScienceDirect Topics
    There are two major lineages of spermatophytes: gymnosperms and angiosperms (flowering plants) Most of the spermatophyte diversity is accounted for by just one subclade: the angiosperms
  • spermatophyte - Encyclopedia. com
    spermatophyte Seed-bearing plant, including most trees, shrubs, and herbaceous plants It has a stem, leaves, roots, and a well-developed vascular system The dominant generation is the sporophyte
  • 10. 4. Spermatophytes | Biology and Geology 1º ESO
    Spermatophytes are cormophytes, more evolved than pteridophytes, with well- developed root, stem, and leaves Remember that pteridophytes are also cormophytes but without flowers or seeds The flower is the part of the plant responsible for reproduction They produce gametes that are no longer dependent on water for fertilization to occur
  • SPERMATOPHYTE definition | Cambridge English Dictionary
    any plant from a large group of plants that produce seeds They include angiosperms (= plants that produce flowers and seeds) and gymnosperms (= plants that produce seeds but no flowers): The spermatophytes, which means " seed plants," are some of the most important organisms on Earth
  • Spermatophyte Definition and Examples - Biology Online
    Spermatophyte in the largest biology dictionary online Free learning resources for students covering all major areas of biology
  • Seed Plants: An In-Depth Look at Spermatophytes
    Spermatophytes are a monophyletic group encompassing all vascular plants that produce seeds The term originates from the Greek words “sperma” (seed) and “phyton” (plant), translating to “seed plants ”





中文字典-英文字典  2005-2009