One fifth of the world's population of spineless creatures are believed to be at risk of going extinct.
Species that perform vital tasks such as bees which help pollinate crops and worms that recycle waste are at risk of disappearing for good as a result of an ever increasing human population. A loss of habitat, pollution and climate change are all factors that are thought to be contributing to the problem.
"The invertebrates are the eco-system engineers," said Ben Collen at the Zoological Society of London. "They produce a lot of the things that humans rely on and they produce them for free."
"The vital tasks carried out by tiny "engineers" like earthworms that recycle waste and bees that pollinate crops are under threat because one fifth of the world's spineless creatures may be at risk of extinction, a study showed on Friday."
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