"The Adaptations of Green Plants for Photosynthesis."
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The waxy cuticle on the epidermis is an extremely important adaptation because it protects the photosynthetic cells that are below in the mesophyll. The waxy cuticle is the external part of the leaf, and makes the needles feel slick. For more on leaf function, see my page on .
these are tissues that form part of the transport system of the plant
One of the most notable adaptations of conifer trees are the presence of needle-like leaves. These leaves are adapted to survive in harsher and colder conditions compared to broad leaves. The needle leaf design is very similar to that of broad leaves, except everything is much more tightly packed, protecting the central vein of the leaf containing the vascular tissue. The central vein is surrounded by a sheath for protection. The photosynthetic cells are found in the ground tissue or of the leaf. The mesophyll can be located outside this sheath but below the epidermis. these photosynthetic cells are surrounded by protective sclerenchyma and waxy cuticle, composing the dermal layer. For more on the different tissues found in plants, visit my page on See the picture at the top of the page for a visual on leaves.