Tag: symbiosis

Organism of the week #14 – Turtles all the way down

Kryptoperidinium [CC-By-SA-3.0 Steve Cook]

Cassiopea, which looks rather like a spelling mistake (but isn’t), also looks a bit like an anemone (but isn’t): It’s actually a jellyfish, but one that spends most of its time living upside-down (relative to its relatives). Unlike its close relatives, it gets much of its energy from sunbathing rather than from fishing. Inside the cells …

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