Leaf Notes: Definitions & Explanations PDF | Download eBooks
Study Leaf lecture notes PDF with biology definitions and explanation to study What is Leaf?. Study leaf explanation with biology terms to review biology course for online degree programs.
Leaf Definition:
In most vascular plants, the leaf is the main photosynthetic organ.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Leaf Notes:
In addition to intercepting light, leaves exchange gases with the atmosphere, dissipate heat, and defend themselves from herbivores and pathogens. These functions may have conflicting physiological, anatomical, or morphological requirements. For example, a dense covering of hairs may help repel herbivorous insects but may also trap air near the leaf surface, thereby reducing gas exchange and, consequently, photosynthesis. Because of these conflicting demands and trade-offs, leaves vary extensively in form.
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