Due to the oxygen content of the blood. same reason why blood is bright red when you get a cut.
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An amino acid and an anticodon
Answer:
About 3 million years ago, the Isthmus of Panama (a narrow strip of land connecting North and South America) formed, dividing marine organisms into Pacific and Caribbean populations. Researchers have examined species of snapping shrimp on both sides of the isthmus.
Explanation:
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Matthias Schleiden, Theodor Schwann, Rudolf Virchow, Robert Remak, and Albert Kolliker.