A researcher is studying the interaction between a bird spec…
A researcher is studying the interaction between a bird species and a small mite species that lives on the bird’s feathers. The mites feed on the bird’s blood, causing the bird to lose feathers and expend more energy maintaining its health. The mites benefit from feeding on the bird, but the bird’s health declines as a result of the interaction. Based on this information, which of the following types of interactions best describes this relationship?