17 Fascinating Facts About Sea Sponges - Underwater360

Image from Shutterstock   The sea sponge is one of the world’s simplest multi-cellular living organisms. They have been present on Earth for around 500 million years. There are over 5,000 identified species – 200 of which can be found […]

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Sea Sponges Facts

Amazing facts and secrets of sea sponges

Amazing facts and secrets of sea sponges

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17 Fascinating Facts About Sea Sponges - Underwater360