(Symbiodinium)
It is a symbiotic organism (it lives with other organisms such as this giant clam).
It shares its photosynthesized (food created from sun among other things usually used by plants)food with the organism in exchange for the organism giving it a home.
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Random biology facts
Non-FictionFacts you probably haven't heard of. The names in brackets are its scientific (Latin) name. Interesting facts you can share with the whole family.
