1、Poriferans are simple multicellular organisms that live primarily in aquatic environments.
多孔动物是生活在水中的简单多细胞生物。
2、Sponges are a type of poriferan that filter food particles from the water using their specialized cells.
海绵是一种通过其特化细胞从水中过滤食物颗粒的多孔动物。