Organic matter

Organic matter was matter formed from organic compounds. Species formed from it were known to be referred to as "organics". (TV: The Timeless Children)

Wormholes would destroy organic matter, forcing organic species to travel through them in metallic protection. (TV: Planet of the Dead)

Dalek nanoclouds automatically processed any organic matter, living or dead, into Dalek puppets. (TV: Asylum of the Daleks)

The Cyberium's death particle was capable of destroying all organic matter in the universe. Following it being shrunk by the Tissue Compression Eliminator, its range became limited to a single planet. When it was detonated, it wiped out all organic matter left on Gallifrey. (TV: The Timeless Children)

Dark water had a special refractive index that allowed only organic matter to be seen through it. (TV: Dark Water)

The Spherions, a species of sentient crystals, incubated their young in organic matter which metamorphised into crystal. Until they met the Eighth Doctor though, the Spherions did not realise that organics could be sentient. (COMIC: Music of the Spherions)