Examlex
Evaluate the expression.
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Biogeographer
A scientist who studies the distribution of species and ecosystems in geographic space and through geological time.
Continental Drift
The theory that continents move across the Earth's surface over geologic time, leading to the formation and separation of land masses.
Tectonic Plates
Massive, irregularly shaped slabs of solid rock that make up Earth's lithosphere, moving and interacting at their boundaries.
Transitional Links
Evidence of evolution, typically fossils, that bear a resemblance to two groups that in the present day are classified separately.
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