Plant Body: Roots, Leaves, Flowers, Reproduction, Xylem and Phloem

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In this video I go over how plants are divided into root and shoot systems. The root system anchors the plant and absorbs water and nutrients, while the shoot system includes stems, leaves for photosynthesis, and flowers for reproduction. Shoots consist of phytomers which are units containing nodes, leaves, internodes, and buds. The shoot system also features specialized structures like stamens for pollen production and a gynoecium for ovule production, crucial for plant reproduction. Lastly, the vascular system, with its xylem and phloem, ensures the transportation of water, minerals, and nutrients throughout the plant.

Time stamps:

• Plant body is made up of organs in the root and shoot system: 0:00
• Diagram of root and shoot systems in a eudicot plant: 2:00
• Vegetative shoots consist of stems and leaves: 5:02
• Diagrams of a pistil (female organ of a flower) and its parts or carpels: 11:09
• Photo and diagram of the gynoecium (female reproductive parts) of a flower and stamen male parts: 16:52
• Diagram of a stomata on a leave for gas exchange and water release: 20:57
• Cross section of a leaf showing ground tissue types: parenchyma, collenchyma, and sclerenchyma cells: 24:24
• Vascular tissues are made up of xylem (transporting water and minerals) and phloem (transporting sugars): 34:58
• Tracheids are vessels that make up the xylem: 36:38
• Diagram of sieve tube members that make up the phloem: 43:40
• Schematic of phloem sieve element end wall types: 47:02
• Electron microscope images of sieve plates: 49:39
• Image of sieve elements: 50:48
• Callose is a plant polysaccharide (carbohydrate) that acts as a temporary cell well in response to stress or damage: 53:36

Full video below:

• Full video and playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FYO6bxFbBAtVJ9sDOJnH72
• Notes: https://peakd.com/hive-128780/@mes/messcience-3-overview-of-biology
• MES Science playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0GhjCHmTw1XbqMD_EdVKdd9 .

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