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Sponges are considered as pore bearers. ...

Sponges are considered as pore bearers. Discuss.

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### Step-by-Step Solution: 1. **Introduction to Sponges**: - Sponges belong to the phylum Porifera, which translates to "pore bearers." This name is derived from their unique body structure that is characterized by numerous pores. 2. **Structure of Sponges**: - The body of sponges is covered with many small pores called **ostea**. These pores allow water to enter the sponge's body. ...
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