hidden anemone
... that the tissues of the hidden anemone contain symbiotic single-celled algae?
... that the tissues of the <b id="mwA24"><a href="./Lebrunia_coralligens" id="mwA28" rel="mw:WikiLink" title="Lebrunia coralligens">hidden anemone</a></b> contain <a href="./Symbiosis" id="mwA3A" rel="mw:WikiLink" title="Symbiosis">symbiotic</a> <a href="./Zooxanthellae" id="mwA3E" rel="mw:WikiLink" title="Zooxanthellae">single-celled algae</a>?