A control group is different because it is not what is being tested. for example the control group would use sugar pills while the other group uses the pills being tested
Answer:
The correct answer would be ATP.
ATP (adenosine triphosphate) is an energy currency of the cell, that is, it provides energy for all cellular activities.
Muscles also get energy in the form of ATP for movement.
Usually, simple sugar such as glucose is oxidized completely to produce ATP.
Then, ATP hydrolysis releases energy in the form of heat which is used by cells to perform various functions such as movement, repair, et cetera.
B. the fish gets things from the larger animal but the larger animal doesn't get anything from the fish.
