Which of the following describes a relationship of parasitism?

A. Oxpecker birds eat parasitic ticks off the backs of zebras.

B. Birds feed off the insects that are stirred up from the grasses as cattle move through.

C. A polar bear catches a seal for dinner.

D. A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas