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

Fact 2: Speciation events are thus examples of macroevolution.

Given the two facts above, answer the question "speciation events are an example of something that occurs above the level of what?" with the following options: 
- alleles
 - retina
 - species
 - the sun
 - plants
 - astrology
 - speciation events
 - trees


 

   species      