hard tick

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Life cycle of the tick Ixodes scapularis

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Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

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Gills of three old specimens of webcap fungus (Cortinarius) in Gloucestershire, South West England. toxic, fungi, poisonous mushroom

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Sydney New Years Eve Fireworks

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Ethel Rosenberg arrested in August 1950. Photograph dated Aug. 8, 1950. American civilians executed for espionage. Spies, communists, Julius Rosenberg

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Mayer Amschel Rothschild (1744-1855), founder of the house of Rothschild; lithograph by Friedrich Lieder, c. 1830.

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The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Illustration by the CDC, reveals ultrastructural morphology exhibited by coronaviruses. Note the spikes on the outer surface of the virus, which impart the look of a corona surrounding the virion, when viewed electron microscopically. A novel coronavirus,

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hard tick

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In tick
Hard ticks, such as the American dog tick (Dermacentor variabilis), attach to their hosts and feed continuously on blood for several days during each life stage. When an adult female has obtained a blood meal, she mates, drops from the host, and finds a suitable…
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