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Leaves come in many shapes and sizes. This video walks through the major internal cell types, including the waxy cuticle, upper epidermis, palisade mesophyll...
- 6 min
- 178.5K
- BOGObiology
Key points. The leaf is one of the most important organs of a plant. Leaves produce food for the plant through a process called photosynthesis. The leaves of different plants vary widely in...
Video summary. This film explores the different parts of the plant, including the stem, trunk, leaves, flowers and root. The function of each is explained through scientific enquiry and comedy,...
This video lesson is designed for 3-6-year-old children. It demonstrates the basic structure of a leaf and its parts. This science lesson provides a practical life experience by introducing the child to the different shapes and colors of leaves.
- The external parts of the leaf are the petiole, leaf base, lamina, leaf apex, and leaf margins.
- The internal parts of the leaf are stomata, guard cells, epidermal cells, mesophyll cells, and vascular bundles (xylem, phloem, veins)
- Stomata are tiny pores present on the surface of the leaves that help in exchanging gases, i.e. absorption of carbon dioxide and release of oxygen.
So, a cell wall is made of fibres to strengthen the cell, and then a cell membrane controls which substances enter and leave the cell. A chloroplast is where the light is trapped to help make the plant's food.
I can describe how specialised cells in animals and plants are adapted for specific functions. 1 Slide deck. 1 Worksheet. 2 Quizzes. 1 Video. Free lessons and teaching resources about cells.
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Oct 15, 2017 · Structure of the leaf. A fully resourced lesson on the structure of the leaf. Can easily be adapted be suitable for either KS3 or KS4. Various worksheets are linked to the presentation, which also contains mini assessments and a good video.
