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Author Question: Which trophic level in this food chain represents the secondary consumer? (Read 437 times) |
There are approximately 3 million unintended pregnancies in the United States each year.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
In 1864, the first barbiturate (barbituric acid) was synthesized.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.