PLEASE ANSWER ASAP FOR BRAINESLT

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

Describe the function of the endomembrane system? what organelles are involved?

18. how do the cells in meiosis differ from the cells in mitosis?