Scientists have hypothesized that giraffes with longer necks are better equipped to survive during a drought than those giraffes with short necks. The independent variable is ________.
a. Feeding skill
b. Neck length
c. Survival rate
d. Physical strength
C, because that’s what the scientists are saying that’s different, a giraffe with a short neck has a lower Survival while a giraffe with a longer neck has a Higher survival rate.
