scientific reaserch- reef watch

On the day we went reef watching we also did some snorkeling but that's not what I'm supposed to write about in this post. The reef watching was really cool we went down to a large bunch of rock pools and had a look around and recorded data. Some of the data was about the type of surface and how many moving animals that were in a certain area. It was really cool and I saw four starfish that were blue and only just bigger than your thumbnail. What you'd do is get a tape measure and go to different lengths of the tape and then get a grid and see how much of a certain material covered a certain amount of grid intersections. After that you'd see how many animals were in that grid area and record that down. You'd also get a depth peg and see how deep the surface was and if it was under water or above.