My science class was assigned a project. This project was to take a picture of a symbiotic relationship in our township. Symbiosis is a relationship between two living things.There are three types of symbiosis. The first type of symbiosis is mutualism. In mutualism both organisms benefit from their reletionship. One example of mutualism is a honey bee and a flower. While the bee gets the nectar that it needs the flower gets pollenated. Another type of symbiobis is commensalism. Commensalism is where one organism benefits while the other is unharmed. An example of commensalism is a tree with a vine hanging from it. The vine gets something to leen on while the tree does not get or lose anything it needs. The last form of symbiosis is parasatism. Parasatism is when one organism benefits and the other one is unharmed. An example of parasatism is a dog with a flea in its fur The flea gets nutrients from the dogs blood which causes the dog to lose blood.
I got a picture of a tree with weeds on its roots. This is an example of parasatism becauses the tree loses some of its water because the weeds which damage its roots then absorb the water the tree loses for itself. It is also possible that this is an example of commensalism because the trees roots might have been cut before the weeds grew in allowing the weeds to gain the water it needed without harming the tree. I think this project was an excellent idea because instead of doing normal homework we got to experiment with technology and see how beautiful nature is.
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