Leaf tissues are composed of layers of plant cells. Leaves are the main photosynthetic organs of the plant. Show with another labelled arrow the direction the energy comes from. A leaf is a compromise between two conflicting evolutionary pressures. ADVERTISEMENTS: In this article we will discuss about the structure of a leaf with the help of a diagram. Viewing the leaf under the microscope shows different types of cells that serve various functions. Evelyn Bailey. Leaf Cross Section Showing Tissues and Cells. Leaves are responsible for converting sunlight and carbon dioxide into glucose, which is used to provide energy to the plant.. Leaves are classified into mainly two types based on their structure, dorsiventral, and isobilateral. The diagram below represents one Elodea leaf cell in its normal freshwater environment. By means of labelled arrows drawn on the diagram above, show the pathway taken by each of the two raw materials to a cell in the centre of the leaf. Leaf Cell Definition. The leaf is the organ in a plant specially adapted for photosynthesis. These tissues include a mesophyll tissue layer that is sandwiched between two layers of epidermis. Complete diagram B to show how the contents of the red onion cells should appear if the cell were then rinsed with distilled water for several minutes. The maximum voltage at the pack is 2×4.2×48 = 403V, though it is widely known that the Leaf only uses about 80% of the pack’s capacity (20 kWh out of the 24 kWh to preserve cycle life) making the maximum cell voltage closer to 4.0V, and the pack’s maximum voltage closer to 384V. Leaf vascular tissue is located within the mesophyll layer. Give "one word names" for the processes by which these raw materials move across the leaf, as seen in the diagram. It is a rigid layer which is composed of … The cell being the smallest unit of life, is akin to a tiny room which houses several organs. Plant Cell Structure. Upper Epidermis: this is the tissue on the upper surface of the leaf. https://courses.lumenlearning.com/boundless-biology/chapter/leaves A leaf cell, by definition, is any cell found within a leaf.However, there are many different kinds of leaf cell, and each plays an integral role in the overall function of the leaf and the plant itself. Just like different organs within the body, plant cell structure includes various components known as cell organelles that perform different functions to sustain itself. Using a microscope, it's possible to view and identify these cells and how they are arranged (epidermal cells, spongy cells etc). You need to understand the structure of the tissues in a leaf together with their functions. 36.Elodea is a plant that lives in freshwater. Different plant cell types form three main tissues found in leaves. Anatomy of leaf is the detailed study of internal structure of a leaf, usually revealed by its dissection. 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