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Word Count: 532
As a watchman goby fish peeks his head out of a hole on the sea floor a pair of antennas arise from aside him followed by a flurry of rocks and sand being moved by a pistol shrimp At first one might think that this odd couple should be fighting each other for ownership of the hole but in reality they both greatly benefit from sharing the same hole in the ground If the pistol shrimp lived alone it would be more vulnerable to predators due to its very poor eyesight If the watchman goby fish lived on its own it would not have a hole to begin with due to the fact that it has no extremities besides its fins to dig with But if they lived together then the goby could stand guard while the pistol shrimp makes and maintains their burrow The pistol shrimp uses its long antennas to communicate with the goby so if the goby suddenly darts in to the burrow because it saw a predator the pistol shrimp would quickly follow This close partnership that the goby and the shrimp have is called symbiosis Symbiosis is a close ecological relationship between two or more different species in which each one benefits from one another John R Meyer The watchman goby and pistol shrimp are not the only examples of symbiosis symbiosis exists in a wide variety of species even humans have symbiotic relations with different animals Scholars have tried explaining symbiosis and have theorized that it evolved out of parasitism organisms living of other organism at their expense John W Kimball Symbiosis is a very vital aspect of life on earth Without it plants would not be able to pollinate animals would have a much harder time digesting food and amongst other things there would be complete extinction of some species that are completely reliant on other life forms In other words the word would be a much
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