When the tide is low there is a good chance that the animals and plants around rockpools will start to dry out. The rocks can become very hot on sunny days. As the seawater dries it can leave a thick layer of salt behind.
Life in a rockpool can be one of the most difficult places to survive. All the seaweeds and animals must have special features or have a special way of living to stay alive. You will find out more about how they survive as you research the different animals and seaweeds on this website.