| A | B |
| homeostasis | maintaining constant internal conditions |
| control group | the group that is not changed in an experiment |
| experimental group | the group that is changed in the experiment |
| photosynthesis | process that autotrophs use to convert sunlight into energy |
| respiration | process used to release energy stored in glucose |
| universal solvent | water |
| organic | made of carbon; living things |
| inorganic | not made of carbon; non-living things |
| enzyme | a protein used to speed up a chemical reaction |
| Nucleic acids | contain genetic information |
| stage | place a slide here on a microscope |
| objective lense | maginifies image on stage |
| diaphragm | controls the amount of light into a microscope |
| lipids | stored energy in the body |
| carbohydrates | source of quick energy in the body |
| glucose | a type of carbohydrate |
| proteins | made of amino acids |
| DNA | double stranded, stores genetic information |
| RNA | single stranded, stores genetic information |
| independent variable | the condition in the experiment that is changed |
| dependent variable | the condition in the experiment that is a result of the change |
| hypothesis | an educated guess |