Macroevolution is evolution over geologic time above the level of the species, and geologists break time down into geologic time units called eras . Given these facts, when does macroevolution over eras occur among the following options:
- relocation
 - colder and wetter
 - in a few years
 - permineralization
 - over eras of time
 - within a lifetime
 - Continents drifting
 - in minutes


 

     over eras of time    