The principle of fossil succession states thatGroup of answer choicesevery rock layer contains only one species of fossil.every fossil species spans only a limited range of rock layers, corresponding to the time period over which it lived.fossil species found in rock are the same as species living today.the same fossil assemblages appear throughout geologic time in a repeating intervals.
Question
The principle of fossil succession states thatGroup of answer choicesevery rock layer contains only one species of fossil.every fossil species spans only a limited range of rock layers, corresponding to the time period over which it lived.fossil species found in rock are the same as species living today.the same fossil assemblages appear throughout geologic time in a repeating intervals.
Solution
The principle of fossil succession states that every fossil species spans only a limited range of rock layers, corresponding to the time period over which it lived. This principle is based on the observation that fossil species appear in a definite, recognizable order in the rock layers. Once a fossil species disappears in a sequence of rock layers, it never reappears higher in the sequence. In other words, extinct species are succeeded by new species. This allows geologists to date rock layers based on the fossils they contain: older fossils are found in older rocks, and younger fossils in younger rocks.
Similar Questions
A geologist recorded fossil data for three different organisms found in a rock layer: Fossil X: existed 510 to 250 million years ago, is found in very few locations, and has unique fossil features.Fossil Y: existed 100 to 65 million years ago, is found in many different locations, and has unique fossil features.Fossil Z: existed 400 million years ago to present day, is found in many different locations, and has similar features to other fossils.Part AWhich statement best explains which fossil the geologist should use to compare the rock layer to other layers and estimate when the layers were deposited?
The principle of fossil succession states that
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