The statement about the organisms whose fossils are found in the rock is correct - C.) Organism Y and Organism U were alive over the same time span.
Rocks have existed in layers of their formation. The top layers of the earth or rock is the younger rock and the bottom layer is the oldest rock or layer. The oldest rock form or exist the longest period of the time frame and the top layer is the youngest formed rock.
- The youngest layer in the given table is top layer X with the second-youngest layer W.
- The second layer is W, second -youngest.
- Z is the third layer and the second oldest layer.
- Y and U are existed at the same time and are the oldest among all.
Thus, the statement about the organisms whose fossils are found in the rock is correct - C.) Organism Y and Organism U were alive over the same time span.
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