As a Cassiopea jellyfish contracts its upside-down bell, water swirls in, carrying any tidbits to the jellyfish’s frilly feeding structures. As the bell relaxes, water …
source
As a Cassiopea jellyfish contracts its upside-down bell, water swirls in, carrying any tidbits to the jellyfish’s frilly feeding structures. As the bell relaxes, water …
source
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