| A | B |
|---|
| metabolism | total of all chemical reactions in an organism |
| enzymes | causes a change during a chemical reaction, but it does not change itself |
| photosynthesis | process by which organisms make their own food |
| consumers | organisms that cannot make their own food |
| producers | organisms that make their own food |
| chlorophyll | pigment used in photosynthesis to capture sunlight energy |
| reactants of photosynthesis | carbon dioxide and water |
| products of photosynthesis | sugar and oxygen |
| respiration | the process by which chemical reactions break down food molecules and energy is released |
| reactants of respiration | glucose oxygen |
| products of respiration | carbon dioxide; water |
| mitochondria | where respiration takes place |
| fermentation | a process by which energy stored in glucose is released WITHOUT the use of oxygen |
| lactic acid | waste product of fermentation |
| isotonic | when the fluid outside a cell has the same concentration of dissolved substances as is present inside the cell |
| hypertonic | a fluid or solution that has more dissolved substances than are inside the cell |
| hypotonic | a solution that has less dissolved substances |
| intracellular fluid | fluid inside the cells |
| extracellular fluid | fluid outside the cell |
