Fact 1: Macroevolution is evolution over geologic time above the level of the species.

Fact 2: Species consist of groups of interbreeding populations.

Given the two facts above, answer the question "Macroevolution is evolution over what time scale above the level of interbreeding populations?" with the following options: 
- ligt
 - relocation
 - minutes
 - graptolites
 - Most plants
 - geologic
 - standard clock
 - 24-hour


 

      geologic   