A hurricane WATCH means a hurricane will likely occur in the next hours

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

If your blood becomes too concentrated with iona, what will happen to the red blood cells

What is the role of dna ligase in the elongation of the lagging strand during dna replication?