What do frogs and salamanders have in common?

Aclient says to a nurse, "i have trouble sleeping and wake up several times during the night." what instructions should the nurse provide to the client? select all that apply.

Amutagen is 1: a living thing that has undergone a mutation. 2: an agent that causes a mutation in dna. 3: a mutation that has affected one gene. 4: a chemical that can poison living cells.

Harold makes a venn diagram to him compare and contrast mitosis and meiosis. which label belongs in the region marked z? forms diploid cells creates an even number of cells includes two rounds of cell division duplicates body cells