SOAKING IT ALL IN SEA SPONGES
The sea sponge is one of the world’s simplest multicellular 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 in fresh water.
The ancient Greeks referred to these bizarre creatures as “Zoofitan” – a unique category of marine species – literally meaning an organism that is “half plant, half animal”. For, even to this day, they
