What is the name of flat disc-shaped sacs that is involved in transporting substances from the endoplasmic reticulum out of the cell?

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

Acquired mutations can result from radiation pollution toxins inheritence select all that apply

Environmental impacts on evolution : mastery test