All organisms are made up of one or more cells. Organisms are a contiguous living system, such as plants and bacteria.
Having a control in an experiment allows you to see what happens when no variables are changed. If you do not have a control, you do not have anything to compare your results with after changing variables of the experiment.
The answer is 11
It is something that can be seen, touched, tasted, smelled, or observed in some way.
Wash your hands.
liter and cubic centimeter
Two atoms with the same number of protons but different numbers of neutrons are called "isotopes".
stimulus
The chemical or chemicals formed in a chemical reaction are called the product of the chemical reaction.
Lyndon B. Johnson
Biology
Electron, proton, nucleus, atom