[biological_process] cell adhesion <sep> cellular response to starvation <sep> filamentous growth <sep> filamentous growth of a population of unicellular organisms <sep> filamentous growth of a population of unicellular organisms in response to biotic stimulus <sep> filamentous growth of a population of unicellular organisms in response to starvation <sep> positive regulation of filamentous growth of a population of unicellular organisms <sep> positive regulation of filamentous growth of a population of unicellular organisms in response to biotic stimulus <sep> positive regulation of single-species biofilm formation on inanimate substrate <sep> regulation of transcription by RNA polymerase II <sep> single-species biofilm formation on inanimate substrate