Cell -> tissue -> organ -> organ system -> organism
Answer:
constant = changes and control is used as the basis of comparison
Explanation:
Constant variables are variables that do not change
e.g such as the temperature ( if it's meant to be kept at a constant temp).
Control variables are meant to be kept constant to allow for a comparison and thus determine the effect of IV (independant variable) and DV ( dependant variable)
Answer:
C: 35
Explanation:
if DNA molecule contains 15% adenine then C and G will constitute 70%,of which guanine will be 35%
The iris controls the amount of light entering the eye.
