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Author Question: Organisms that help those they recognize as capable of returning the favor are displaying ____. ... (Read 24 times) |
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.