Hi, last time, I wrote about animals in cities, but today I'm going to talk about the ecosystem...underwater. For those who don't know, corals are alive. Maybe many of you think corals are only expensive colourful rocks, well, no. Actually, corals are dying because of global warming and over-fishing. Here is a picture to compare what coral reefs look like in nature, before and after this massacre: On the left, the corals is living great with colours, but on the right, the corals had already shown their skeletons, and all is white. Some biologists have started to plant coral babies, with an adult's egg and sperm that they release annually. Allow me to explain this process step by step. Method 1: Firstly, the reefs in need will be cut by local gardeners (or by the coral itself when they break). Then, these fragments will be glued onto the healthy or living corals. Biologists use a special glue made from a mixture of see water and salt. Finally, it wil...
Comments
Post a Comment