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Author Question: Two characteristics shared by gymnosperms and angiosperms that are absent from earlier plant groups ... (Read 45 times) |
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The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.