Which of the following can scientists determine by comparing fossils from different layers of sediment?

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Scientists can determine the relative age of fossils by comparing them from different layers of sediment. This means they can deduce which fossils are older or younger than others based on the order in which they are found. By studying the principles of stratigraphy, scientists know that younger layers of sediment are usually deposited on top of older layers. So, if a fossil is found in a deeper layer of sediment, it is likely to be older than a fossil found in a shallower layer. By comparing the fossils from different layers, scientists can get a sense of the relative ages of the fossils and how they relate to each other in the timeline of Earth's history. This helps them to construct the fossil record and gain insights into the evolution and biodiversity of life on Earth.

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After several generations survive in the altered environment, what will the average body size of yellow tangs in this population be?

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