pneumatocyst seaweed - Axtarish в Google
In phycology, a pneumatocyst is a floating structure that contains gas found on brown seaweed . A seaweed's thallus may have more than one. They provide buoyancy to lift the blades toward the surface, allowing them to receive more sunlight for photosynthesis.
Pneumatocysts provide buoyancy to seaweeds, lifting them up into the water column. Drag on individual pneumatocysts is small compared to drag on whole seaweed.
5 сент. 2018 г. · Kelp (brown algae seaweed) possess gas-filled floats known as pneumatocysts that enable fronds to float on the water surface, maximizing exposure to sunlight ...
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