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Answer:
How do amino acid sequences provide information about evolutionary relationships among organisms? They allow scientists to compare the order of the acids in a protein to see how closely related the organisms are.
Explanation:
here are approximately 4,740 species of frogs around the entire world. There are about 90 species of frogs in the United States. Unfortunately, about 120 amphibian species, including frogs, toads and salamanders, have disappeared since 1980.
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They eat algae,bacteria,and protozoans,dead plant and animal matter and other tiny animals.
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