A control group is going to be something that you don’t “experiment on or change. It is grown or watched under normal conditions. This way you have a medium to say how things are “supposed” to go.
The experimental group is going to be where you “experiment” and change the normal conditions to see what outcome will occur ( under different conditions then normal )
Fetus can survive an extra copy of a chromosome, but being hemizygous is <span>usually fatal</span>
Answer:
add plants and trees
Explanation:
they help hold the soil in place because of their roots
Carbon is an important component in living things as it is present in the food of living things in the form of saccharides such as glucose and polysaccarhides such as starch. Hence the answer to this problem should have to be A. Carbon is a source of energy.
Answer: I'm gonna say the answer is Mutualism.