Assertion: diatom | /r/HasProperty | unicellular algae
Facets:
value: with silica shells
type: OTHER
Source sentences:
text: Diatoms are a unicellular algae (Class: Bacillariophyceae) that consists of many species that all have a cell wall made of silica.
text: Diatoms are unicellular organisms that can occur either as solitary cells or in colonies.
text: Diatoms are unicellular algae generally placed in the family Bacillariophyceae.
text: Diatoms are unicellular organisms with silica shells.