Question

the oxpecker bird and the rhinoceros have a relationship. the oxpecker receives protection and obtains food from the ticks and other pests infecting the rhinos skin. the rhino receives in return cleaning and early warning of approaching danger. mutualism commensalism parasitism

Explanation:

Mutualism is a symbiotic relationship where both species benefit. The oxpecker gets protection and food, and the rhino gets cleaning and a warning system. In commensalism, only one species benefits while the other is unaffected. In parasitism, one organism (parasite) benefits at the expense of the other (host). Here, both the oxpecker and rhino benefit, so it's mutualism.

Answer:

Mutualism