question: Why are annelids ' segments like water-balloons ?
answer: the septa enable the circular and longitudinal muscles to change the shape of individual segments
turker_answer: Annelids ' segments are like water-balloons because the septa enable the circular and longitudinal muscles to change the shape of individual segments .
rule-based: Annelids ' segments like water-balloons are because the septa enable the circular and longitudinal muscles to change the shape of individual segments .