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:


请选择你想看的字典辞典:
单词字典翻译
4637查看 4637 在百度字典中的解释百度英翻中〔查看〕
4637查看 4637 在Google字典中的解释Google英翻中〔查看〕
4637查看 4637 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:


  • Transportation in Plants - Concept, Diagram, Notes Revision - Vedantu
    The main transport systems in plants consist of two vascular tissues: xylem and phloem Xylem transports water and mineral salts absorbed by the roots upwards to the leaves and other parts Phloem distributes food products like sugars (produced in the leaves during photosynthesis) to growing parts and storage organs Together, these systems maintain the plant's internal transport and nutrient
  • Transportation in Plants – Meaning, Diagram and Explanation
    to carry water (and dissolved minerals) absorbed by the roots up to the leaves, and; to carry the food made in the leaves to all the parts of the plant (including roots) In order to carry water and dissolved minerals, as well as prepared food, a plant has a transport system inside it
  • Explained: Transportation in Plant, Xylem and Phloem, Transpiration . . .
    Plants have a transport system: To carry water and minerals absorbed by the roots up to the leaves, and; To carry food (sugar and amino acids) from the leaves to all parts of the plant In simple words, plants have a transport system to carry water and nutrients to all parts of the plant Transportation in plants is made up of two vascular tissues
  • 36: Transport in Plants - Biology LibreTexts
    36 1: Transport Mechanisms The structure of plant roots, stems, and leaves facilitates the transport of water, nutrients, and photosynthates throughout the plant The phloem and xylem are the main tissues responsible for this movement Water potential, evapotranspiration, and stomatal regulation influence how water and nutrients are transported
  • Resource 2: Transport in plants - OpenLearn
    Water is transported from the roots through the plant and out through the leaves Mineral salts (ions) are transported from the roots to all parts of the plant Sugar, made in photosynthesis, is transported from the leaves to all parts of the plant Oxygen and carbon dioxide are transported through tiny holes (pores) on the surface of leaves
  • Xylem and Phloem: Structures, Functions, and Transport Mechanisms
    Plants possess intricate systems for transporting essential nutrients and water, ensuring their survival and growth Two key components of these transport systems are xylem and phloem, each playing distinct but complementary roles Xylem primarily handles the movement of water and dissolved minerals from roots to leaves
  • Topic 9. 1: Transport in the Xylem of Plants - AMAZING WORLD OF SCIENCE . . .
    9 1 U 5 Active uptake of mineral ions in the roots causes absorption of water by osmosis Explain why roots are hypertonic relative to the soil Outline the role of active transport in maintaining root tonicity Describe how water enters roots from the soil Compare the symplastic and apoplastic pathways of water transport through the root
  • Transport in Plants - Plutonium Science
    • Wide, flat leaves – Capture as much light as possible, and float on water surfaces • Small roots – Water can diffuse directly into the stem or leaves • Large surface area of underwater stems roots – Maximises photosynthesis • Air sacs in the leaves – Enables leaves flowers to float • Large air spaces in leaf tissue
  • Plant Transport – Introductory Biology: Ecology, Evolution, and . . .
    The endodermis is exclusive to roots and serves as a checkpoint for materials entering the root’s vascular system Sugars, produced during photosynthesis in the leaves, need to be transported to various parts of the plant for energy production, growth, and storage This process primarily involves the phloem, another specialized vascular





中文字典-英文字典  2005-2009