Fact 1: Communities consist of populations of different species.

Fact 2: Within any species, there is genetic diversity.

Given the two facts above, answer the question "Communities consist of populations of what?" with the following options: 
- dental hygenists
 - Most plants
 - wavelengths and photons
 - peachleaf willow
 - violent murderers
 - genetic diveristy
 - barnacles
 - fighting tribes


 

      genetic diveristy   