Answer the following question given this paragraph: 

Sponges are aquatic invertebrates that make up the phylum Porifera. The word porifera means pore-bearing. The phylum is aptly named. As you can see from Figure below , a sponge has a porous body. There are at least 5,000 living species of sponges. Almost all of them inhabit the ocean, living mainly on coral reefs or the ocean floor.


Q: What does the term porifera means?

 Choices:

- poreless

- pore-clogging

- pore - signifying

- pore-bearing

A:
pore-bearing
