Are Sponges Heterotrophs?
Are Sponges Heterotrophs? Are sponges Heterotrophs? Abstract. Sponges are multicellular, heterotrophic parazoan organisms, characterized by the possession of unique feeding system among the animals. Are sponges autotrophs or heterotrophs? Sponges are similar to other animals in that they are multicellular, heterotrophic, lack cell walls and produce sperm cells. Unlike other animals, they lack true tissues