Answer:
DNA codes for RNA which codes for proteins... so A
if i could get brainliest that would be great :)
Answer:
Producers are limited by consumers.
Explanation:
This part of the experiment serves as basis of comparison; the one variable being tested has been omitted Experimental group.This part of the experiment shows the effect of the one variable being tested.Independent variable.This variable is an experiment is the one being deliberately changed by the scientist.