How do specialized cells within an organism help the organism perform the essential functions of life?

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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

Which entry is in the wrong position in the table?