How many letters does the top answer for “of or relating to or belonging to an organism (considered as a whole)” have?

The most common answer is organismal (10 letters).

Crossword clue: of or relating to or belonging to an organism (considered as a whole)

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

organismal 10 letters wn-def

of or relating to or belonging to an organism (considered as a whole)

organismic 10 letters wn-def

of or relating to or belonging to an organism (considered as a whole)