A human baby weighs 8 pounds at birth and 150 pounds as an adult. Which statement is true about the person's growth? I will give anyone a brainiest to anyone who can help me!

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