| A | B |
|---|
| autotroph | organisms that make their own food |
| cellular respiration | process that breaks down glucose into ATP |
| consumer | organisms that are heterotrophs |
| energy | the ability to do work |
| food | organic molecules that store energy in their chemical bonds |
| glucose | simple carbohydrate used as an energy source |
| heterotroph | organisms that must consumer other organisms for food |
| photosynthesis | process that uses energy from sunlight to make food |
| producer | organisms that are autotrophs |
| Calvin cycle | stage two of photosynthesis |
| chemosynthesis | process that uses chemical energy instead of light energy |
| chlorphyll | green pigment |
| electron transport chain | series of electron-transport molecules that pass high energy electrons from molecules to molecule and capture their energy |
| grana | neat stacks of thylakoids |
| light reactions | stage one of photosynthesis |
| photosystem | group of molecules in the thylakoid that captures light |
| stroma | space in and around the thylakoids |
| thylakoid membrane | sac-like membranes stacked into grana |
| aerobic respiration | respiration that requires oxygen to proceed |
| anaerobic respiration | respiration that proceeds without oxygen |
| glycolysis | first stage of cellular respiration |
| krebs cycle | second stage of aerobic respiration |
| alcoholic fermentation | pyruvic acid changes to alcohol and carbon dioxide |
| fermentation | making ATP without oxygen |
| lactic acid fermentation | pyruvic acid changes to lactic acid |
