Hello! I need help ASAP and no links

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 macromolecule is produced during translation? a. carbohydrate b. rna c. dna d. protein

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin