Discovery of Bacteria and Other Achievements. Antony Leeuwenhoek was the first person to see bacteria. Through the late 1670s, he sent comprehensive data and detailed drawings of his sightings of bacteria and algae to the Royal Society in London.
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These diagrams, called the Hertzsprung-Russell or HR diagrams, plot luminosity in solar units on the Y axis and stellar temperature on the X axis, as shown below.
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An example would be the coral and the clownfish
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A decrease in the kangaroo rat population will cause a decrease in the coyote
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