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What is meant by the term “intermediate fossil” when referring to the fossil record?
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- Why is there an argument among scientists about recognizing Anthropocene as an epoch?What is the difference between Fossils and Trace Fossils.In biological (paleontological) correlation, the zone created by comparing the start of the age range of one fossil, with the end of the age range of another (as shown below) is called what? a concurrent age range zone an assemblage zone an index fossil zone a double range zone
- Describe the theories of gradualism and punctuated equilibrium. How can the fossil record support both?The fossil record (a) usually occurs in sedimentary rock (b) sometimes appears fragmentary (c) is relatively complete for tropical rainforest organisms but incomplete for aquatic organisms (d) a and b (e) a, b, and cDistinguish between relative and absolute dating of fossils
- Explain how the broad evolutionary changes seen in the fossil recordare the cumulative result of speciation and extinction events.What are the challenges of estimating the ages of old fossils?Explain how these challenges may be overcome in somecircumstances.Which fossil layer is the oldest (name the geological period)?