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Porifera and Cnidarians are two types of animals that use intracellular digestion and have unique ways of obtaining food.

Sponges, simple multicellular animals, filter feed by drawing water through pores, capturing food with specialized cells, and digesting it internally, lacking complex systems…
by Maverik

An informational text about Porifera, a phylum of animals that are sessile and have a unique body organization. It explains their nutrition and digestion processes.
by Gabby Elise

SpongeBob's unique feeding system and digestion process are explained.

An informational book about porifera (sponges) and their digestive system, as well as the cells in sponges.
by nortolan000

This book provides information about the digestion and nutrition of Porifera and Cnidaria, two types of aquatic animals.
by graceandtia

An informational text about Porifera, focusing on their digestion, nutrition, and food-getting methods.
by dreaburgin

This informative text explains how sponges digest food through intracellular digestion and filter feeding, using specialized cells and structures.
by Abigail Bean

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