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Punctuated Equilibrium and Gradualism
Grade Level
AP Biology
APB.403 Punctuated Equilibrium and Gradualism
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Which analysis would most strongly support gradualism in a fossil brachiopod lineage?
A
A plot has only two endpoint fossils with different trait values.
B
A local fossil layer contains a new form but no older samples.
C
A plot of trait value against age shows a linear trend with many intermediate fossils and small residuals.
D
A cladogram shows a long branch with no trait measurements.
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