Use the diagram to identify the four regions of the earthworm. Dorsal side:_
Ventral side:_
Anterior end:_
Posterior end:_

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