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Pathogens Chart: Viruses, bacteria, fungi, protozoa, parasites, and protein.

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Nightmare Spiders Are Real

Virus! Some scientists don't consider them alive because they cannot reproduce by themselves. I think thats silly because while they need a host for reproduction they also have evolved that mothod of reproducing. They have also played a large role in our own and many other organisms evolution.

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Micrasterias furcata - final stage of cell division by Rogelio Moreno

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The immune response - free poster download Wellcome trust

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Innate and Adaptive Immunity More

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✯ Nerve fibres :: Myelinated nerve fibres, coloured scanning electron micrograph (SEM). The myelin sheath is pink, the axoplasm is dark brown and the endoneurium (connective tissue) is yellow.✯

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Glassy Radiolarian Beauty The shells of radiolarians rank among some of the treasures of the ocean, with their intricate, gorgeous geometry. The shells are made of silica, which protects the single-celled animals as they drift as zooplankton in the ocean. This image, taken at 120x zoom, made by mr Ralph Grimm, was an honorable mention in the 2012 Nikon Small World photomicrography competition.

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Microbiology (Quickstudy Reference Guides - Academic) by Inc. BarCharts. $4.95. Publisher: QuickStudy (January 19, 2001)

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