Crossword clues for the word: BIOTAS The word BIOTAS has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for BIOTAS Showing 1 to 8 of 8 results Clue(s) Animal and plant lives of regions Ecological groupings Ecologists' concerns Flora and fauna of different regions Florae and faunae Regional life forms Regional populations Regions' organisms