| A | B |
| carbon dioxide and water | two products of cellular respiration |
| sunlight | the supply of energy that producers need to make fod comes from ??? |
| adaptations | physical traits that make an organisim well-suited to its environment |
| kingdom | the broadest division into which organisms can be classified |
| growth | an increase in the amount of living material |
| development | the changes an organism undergoes in reaching it adult form |
| bar graph | a good way of showing comparisons among groups when data are not dependent on one another |
| scanning electron microscope | produces a 3-D image of an object |
| observation | the starting point of all scientific research |
| resolving power | the ability of a microscope to distinguish two objects as being seperate |
| control group | group in which all the variables remain constant |
| data | information gathered from observations |
| experiment group | group in which the independent variable is changed |
| experiment | tests an explanation |
| hypothesis | statement that explains and relates data |
| science | process that produces a body of knowledge about nature |
| technology | applied science |
| theory | hypothesis that has withstood the test of time |