adj.
Biological is used with these nouns: ↑ attack , ↑ characteristic , ↑ clock , ↑ complexity , ↑ diversity , ↑ entity , ↑ evolution , ↑ father , ↑ heritage , ↑ laboratory , ↑ make-up , ↑ material , ↑ mother , ↑ need , ↑ organism , ↑ parent , ↑ phenomenon , ↑ pollutant , ↑ process , ↑ property , ↑ reproduction , ↑ rhythm , ↑ science , ↑ superiority , ↑ system , ↑ urge , ↑ warfare , ↑ weapon