'Most adult sponges' presentation slideshows

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What is a sponge?

What is a sponge?. Sponges are asymmetrical aquatic animals that have a variety of colors, shapes, and sizes. What is a sponge?. Although sponges do not resemble more familiar animals, they carry on the same life processes as all animals.

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Sponges

Sponges. Sponges, phylum Porifera , are invertebrates made up of two cell layers. Most sponges are asymmetrical. They have no tissues, organs, or organ systems. Most adult sponges do not move from place to place. Cnidarians.

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