She felt her 'biological clock' ticking away and wanted to have a baby as soon as possible.
an adopted child who finally found her 'biological' mother
She practices 'biological control' in her gardening.
(..) - Yes, sir. All right, back to work. Hannah: You'll also want to send up thermo UAVs and air sniffers to look for anything biological or radiological in the area. Hannah, you were supposed to report to HQ. I was blocks away. Any survivors? No, not yet. (..)2016 TvShow: Designated Survivor Title: Pilot Season: 1 Episode 1