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Daisy pollen, SEM
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Daisy pollen, SEM
Daisy pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the daisy flower (family Asteraceae). The grains have a spiked outer wall (exine), which may assist in their dispersal by improving their adherence to pollinating insects. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete), and initiate the formation of a seed for a new plant
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Media ID 6287999
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Asteraceae Compositae Daisy Dispersal Exine False Colour Gamete Gametes Grain Grains Outer Wall Pollen Re Production Reproductive Sculpted Spike Spiked Spikes False Coloured
EDITORS COMMENTS
This print showcases the intricate beauty of daisy pollen grains. In this coloured scanning electron micrograph (SEM), we get a close-up view of these tiny reproductive wonders from the family Asteraceae. The spiked outer wall, known as exine, serves a crucial role in their dispersal by enhancing their adherence to pollinating insects. Botanists rely on the characteristic surface features of pollen grains like these to identify and classify different plant species. Each grain contains a male gamete or reproductive cell that is responsible for fertilizing an egg or ovule, ultimately leading to the formation of new plants through seed production. The false-coloured image highlights the sculpted nature of these pollen grains, showcasing their biological intricacies under a scanning electron microscope (SEM). This photograph not only captures the aesthetic appeal but also offers valuable insights into reproduction mechanisms in nature. Science Photo Library presents this stunning visual representation without any commercial intent. It reminds us of how even the tiniest elements in our natural world possess astonishing complexity and contribute to the perpetuation and diversity of life forms around us.
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