sentence: Bryozoans are almost entirely colony-forming animals.
sentences_after: Many millions of individuals can form one colony. The colonies range from millimeters to meters in size, but the individuals that make up the colonies are tiny, usually less than a millimeter long. In each colony, different individuals have different functions. There is only a single known solitary species, 'Monobryozoon ambulans', which does not form colonies.
concept_name: bryozoan
headings: Bryozoa Ecology
categories: Invertebrates Animal phyla