* The study of populations. Community biology is the study of how populations interact with each other and their environment, not the study of populations.
* The study of ecosystems. Community biology is the study of how communities interact with each other and their environment, not the study of ecosystems.
* The study of evolution. Community biology is the study of how communities change over time, not the study of evolution.
* The study of genetics. Community biology is the study of how genes affect the interactions between organisms in a community, not the study of genetics.
