Question

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1 pts D Question 28 Sponges are the simplest of animals. Their simple body plan does not consist of true (Select] , but they do have specialized cells. For example, cells that line their central body cavity are called choanocytes, or [Select these cells use their flagellae to create a water current and also produce sticky secretions to trapprey, such as Select In addition, sponges have spiny [Select) in their body wall, along with Select that defend against pathogens and are developmentally flexible enough that they can turn into other cell types and regenerate a whole new animal

Answer 1

simple body plan does not have tissues but have specialised cells coanocytes are also called collar cells it secreate sticky secretions like mucus or mesophyl to trap prey sponges have spicules or scelerocytes in their body wall along with archeocytes which are totipotent