Limited access

Upgrade to access all content for this subject

A biologist using the fossil record to study historical trends in biodiversity notes a sudden decrease in the number of different species at a particular time point, followed by an increase in diversity over the next several hundred thousand years, after which point diversity is higher than it was prior to the sudden decrease.

This decrease in diversity probably indicates
Select Option a mass extinction eventan adaptive radiationgene flowgenetic drift
followed by
Select Option a mass extinction eventan adaptive radiationgene flowgenetic drift
.
Select an assignment template