Error is an expression of the amount of imprecision or variation in a set of measurements true or false

Me with these questions if you’re it sure don’t answer

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

How do living things obtain phosphorus