Examlex
A straight-line demand curve has the same elasticity throughout its length.
Genetic Drift
Mechanism of evolution due to random changes in the allelic frequencies of a population; more likely to occur in small populations or when only a few individuals of a large population reproduce.
Adaptive Radiation
Rapid evolution of several species from a common ancestor into new ecological or geographic zones.
Fossil Record
The collection of fossils, which are the preserved remains or traces of animals, plants, and other organisms from the remote past, providing evidence of the history of life on Earth.
Sedimentary Rock
Rock that has formed through the accumulation and solidification of sediment, especially sediment transported by water, ice, and wind.
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