Silver birch pollen, SEM

Silver birch pollen, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: PROPERTY RELEASED. Silver birch (Betula pendulata) pollen grain, coloured scanning electron micrograph (SEM). A 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: x2750 when printed at 10 centimetres wide.

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Keywords: 1, betula pendulata, biological, biology, botanical, botany, coloured, exine, false-coloured, flora, gamete, male, nature, one, outer wall, plant, pollen grain, reproduction, reproductive, scanning electron micrograph, scanning electron microscope, sculpted, sem, silver birch, single, tree

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