Which of the following describes a relationship of commensalism?

a. oxpecker birds eat parasitic ticks off the backs of zebras

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

c. a polar bear catches a seal for dinner

d. birds feed off the insects that are stirred up from the grasses as cattle move through

Dthe lipid is most likely

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.

Yes yes yes very good