It is often quite tricky to ‘see’ all the relationships between the different plants and animals in an ecosystem and so scientists use the idea of a food web to show how different life on the reef is connected.
As you start to connect the different life on the reef with wool or string, you will start to see the web develop. A healthy reef requires a balance between the different living things. If any of the individual animals or plants is affected by human activity or natural events, then the whole reef is affected.
Part of:XL Catlin Oceans Education
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