FRAGMENT FROM NATURE continues from last weekend and concludes this weekend on the theme of floral symmetry. The genetics behind this symmetry have been thoroughly investigated, and are surprisingly simple, given the complex varieties of floral morphology. Flowers are designed for reproduction; 87% of plants are pollinated by animals, insects and birds, and and symmetry functions primarily to attract and to accurately guide plant pollinators to the structures that will make the next generation of plants. For this reason, symmetry is critical for the species.
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