The coasts are one of the hardest places to live, thrive and survive on Earth.
We've collated facts and figures on many weird and wonderful species, and collected together all you'll need to know on the natural processes that make the coasts what they are.
Look through the species files to broaden your knowledge of the super-tough plants and animals living on the coast.
The coast is a series of rough and tumble habitats. Discover more about tides, exposure and rocky and sandy shores.
Are you ready to be miniaturised? Prepare yourself for an adventure across brutal rocks and towering dunes - get ready for Life on the Edge!
Saline water is water that contains more than 0.1 per cent salt by mass.