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Coloured SEM of Podocyrtis mitra, a radiolarian
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Coloured SEM of Podocyrtis mitra, a radiolarian
Radiolarian. Coloured scanning electron micrograph (SEM) of the test (skeleton) of a Podocyrtis mitra, a type of radiolarian protozoan. Radiolarians build these hard, mineral skeletons around themselves as they float in warm seas with other plankton. They extend their protoplasm as pseudopodia (false feet) through pores in the shell to feed on tiny organisms. The radiolarians can change their density in order to vary their depth. Large numbers of radiolarian skeletons litter the sea bed; these become fossilised to form minerals like flint. Magnification: x190 at 5x7cm size. x460 at 6.75x4.7ins print
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Media ID 9307031
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Flint Origin Plankton Protozoa Protozoan Radiolaria Radiolarian Rock Test
EDITORS COMMENTS
This print showcases the intricate beauty of a Podocyrtis mitra, a type of radiolarian protozoan. The image, captured using a coloured scanning electron microscope (SEM), reveals the test or skeleton of this tiny creature in stunning detail. Radiolarians like Podocyrtis mitra construct these mineral skeletons around themselves while drifting alongside other plankton in warm seas. Through pores in their shells, they extend pseudopodia or false feet to capture and consume minuscule organisms as their source of nourishment. Remarkably adaptable, radiolarians can manipulate their density to vary their depth within the ocean. The sea floor is often strewn with countless radiolarian skeletons that eventually fossilize over time, transforming into minerals such as flint. This process contributes to the formation of rocks and provides valuable insights into Earth's history. At 190 times magnification for a 5x7cm size print or 460 times magnification for a larger 6.75x4.7ins print, this image allows us to appreciate the complexity and delicate nature of these fascinating creatures up close. With its focus on nature's wonders and zoological marvels, this photograph offers an intriguing glimpse into the world of invertebrates and highlights the remarkable diversity found within our planet's ecosystems.
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