What does GER stand for

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

What controls activities within a eukaryotic cell?

Gene expression is the activation of a gent that results in a question 1 options: protein dna mitochondria