Answer:
S phase
Explanation:
The S is short for synthesis, which means that DNA is being replicated. This is one of the stages of interphase, when the cell is growing and getting ready to divide. Well, this is the getting ready to divide part of interphase; the cell needs to duplicate its DNA so it has enough to divide out to daughter cells.
I think all of them are,polar bears have fur, penguins are suited for water and land, etc
She should conduct an expirement that proves whether the water changes the white flower or not