Sponges are multicellular, heterotrophic, lack cell walls, and are similar to other animals in that they produce sperm cells. Unlike other animals, they lack real tissues and organs.
What are the four characteristics of sponges?
General characteristics of sponges: Habitat: Advertising :. Body shape: Those bodies are porous, that is, they have pores. .. Symmetry: Most sponges are asymmetric. .. Germ :. Organizational level :. Body wall :. Canal system :. Skeleton (figure sponge: characters and classification
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