Question 23 - Science Practice Test for the GED Test

The extinction of the herbivore in the attached document is best explained by which of the following concepts?

A scientist unearths a fossil that has been buried for a considerable amount of time. His first step is to send the remains to a lab to determine the age of the fossil. The fossil happens to be that of an herbivore from the very early Cretaceous period. This kind of herbivore is believed to have become extinct shortly after this time period due its lack of adaptation to the changing climate.

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