What’s a sponge?



A variety of sponges dot the seascape of Flower Garden Banks National Marine Sanctuary. From round to encrusting to branching, the colors and textures of sponges add to the complexity of the reef. Credit: NOAA, G.P. Schmahl

Sponges are animals with dense skeletons which can be extremely tailored to their environments, though it’s straightforward to see why they could be mistaken for crops. Sponges are present in all kinds of colours, shapes, and sizes – and scientists imagine that the colours of the sponge might act as a safety from the solar’s dangerous UV rays. Most sponges are discovered within the ocean, however there are particular sponge species that may be present in freshwater environments, as effectively.

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