Assertion: kelp's pneumatocyst | /r/HasProperty | gas-filled bladders
Facets:
Source sentences:
text: Many species of kelp have pneumatocysts, which are gas-filled bladders that help keep the fronds afloat in the water.
text: To aid in photosynthetic production, the pneumatocysts (gas filled bladders) help keep the brown algae floating on or near the surface of the water.
text: Some marine algae also have pneumatocysts (gas-filled bladders) that float the blades close to the water's surface to maximize access to sunlight for photosynthesis.
text: species of kelp have pneumatocysts, which are gas-filled bladders that help keep the fronds afloat in the water.