The giant short-faced bear disappeared completely from North America about 12 million years ago due to competition from smaller omnivorous brown bears which migrated from Eurasia. Which pattern of evolution does this example represent?

a. coevolution
b. phyletic gradualism
c. extinction

The phenomenon by which the entire number of organisms of a specific species die because of some man-made or natural causes is termed as extinction. It is a constituent of evolution. In the given case, the extinction of the local species occurred as they were not able to thrive due to the competition with the invasive species. As a result, the mass extinction of the giant short-faced bear took place.

The giant short-faced bear disappeared completely from North America about 12 million years ago due to competition from smaller omnivorous brown bears which migrated from Eurasia. Which pattern of evolution does this example represent? a. coevolution b. phyletic gradualism c. extinction

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The giant short-faced bear disappeared completely from North America about 12 million years ago due to competition from smaller omnivorous brown bears which migrated from Eurasia. Which pattern of evolution does this example represent?

a. coevolution
b. phyletic gradualism
c. extinction