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Marigold pollen grain, SEM
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Marigold pollen grain, SEM
Marigold pollen grain. Coloured scanning electron micrograph (SEM) of a pollen grain from a marigold plant (family Compositae). Pollen grains display a great variation in their size, shape and surface texture. The outer wall (exine) is highly sculpted in many plants, as seen here, which may assist in dispersal. The characteristic surface of a plants pollen grains is used by botanists to recognise and classify species. 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. Magnification: x1000 at 6x7cm size
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Media ID 6289179
© DAVID MCCARTHY/SCIENCE PHOTO LIBRARY
Compositae Exine Gamete Grain Marigold Pollen Re Production Reproductive Sculpted Sculpting Sexual Spike Spikes Spiky Wall
EDITORS COMMENTS
This print showcases the intricate beauty of a marigold pollen grain. Taken using a scanning electron microscope (SEM), the image reveals the astonishing details of this tiny reproductive cell found in plants. The marigold pollen grain, belonging to the Compositae family, exhibits a remarkable variety in size, shape, and surface texture. The outer wall of the grain, known as exine, is highly sculpted and adorned with spikes that aid in its dispersal. This unique feature also serves as an essential characteristic for botanists to identify and classify different plant species. Within each pollen grain lies a male gamete or reproductive cell responsible for fertilizing an egg or ovule – the female gamete. This process initiates seed formation and gives birth to new plants. The significance of this microscopic marvel cannot be overstated; it represents nature's ingenious mechanism for plant reproduction. At magnification levels of x1000 on a 6x7cm print size, every minute detail becomes visible to our eyes. The vibrant colors add another layer of visual appeal to this scientific masterpiece captured by Science Photo Library. This photograph not only offers us an awe-inspiring glimpse into the hidden world of plants but also reminds us of their vital role in sustaining life on Earth through their incredible reproductive abilities.
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