An essential drive in living creatures created when a necessary item is missing. (e.g. water or shelter. Also the need for an essential activity like migration in a herd.
PRIMARY DRIVE: “Sex is a primary drive for some animals.”
An essential drive in living creatures created when a necessary item is missing. (e.g. water or shelter. Also the need for an essential activity like migration in a herd.
PRIMARY DRIVE: “Sex is a primary drive for some animals.”