Eagle ate top consumers give region

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 is the most appropriate method of gaining weight (muscle mass)

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine