Commensalism is when two organisms use each other and one benefits well the other is unharmed but isn’t benefitting either.

This is a photo of barnacles on a shell. The barnacles are benefiting by having a habitat on the shell, well the shell is unharmed but isn’t gaining anything from the barnacles.


One thought on “Commensalism

  1. Another great example of this is the lizards we studied who live on the different parts of each tree. The tree is unharmed and doesn’t really benefit, but the lizard’s whole life depends on environment the tree can provide.


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