Life Under Water
Water provides the most stable environment for its inhabitants and it is the most powerful solvent we've found. But how much do we know about the plants, animals, and fish which live in it?
What exists 10,000 metres below the surface of the Pacific Ocean? Can you tell the age of a salmon? How do limpets stick?
Dr Anne Powell, fishery biologist, and Dr Paul Cragg, marine biologist join Teresa McGonagle to answer your questions.
Produced by the Woman's Hour unit
Lines open from 8.0 am