What does a sponge not have?

Animal Expert

Posted on 2022-01-05 02:55:01

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The sponge does not have a clear circulatory system, respiratory system, digestive system, or excretory system. Instead, the water flow system supports all these features. They filter food particles from the water flowing through them.

What's missing in the sponge?

Sponges are the simplest multicellular animals. They lack a real organization. There are no muscles, nerves or internal organs.

How is a sponge different from all other animals?

Please mention one thing that makes the sponge different from all other animal phyla. They have a single body layer (monoblasts) and no true tissues, organs, organ systems, or body cavities.

Does the sponge have tissues and organs?

The sponge is considered the oldest animal phyla. They are multicellular, but have no tissues or organs. .. The small pores are the entrance to a complex channel system where the sponge pumps a stream of water from which cells extract small particles of food.

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