| A | B |
|---|
| organization | a high degree of order within an organism |
| biology | the science of life |
| unicellular | an organism composed of only one cell |
| multicellular | an organism composed of more than one cell |
| cell | the smallest unit that can perform all life processes |
| homeostasis | keeping stable levels of internal conditions |
| reproduction | organisms transmit hereditary information to their offspring |
| gene | DNA that contains the information for a single trait |
| biological molecule | chemical compounds providing structure, movement, & energy use in cells |
| metabolism | sum of all chemical processes in organisms |
| development | an organism changes as it ages |
| observation | using 1 or all of the 5 senses to gather information |
| hypothesis | an educated explanation of an observation that can be tested |
| prediction | a statement made in advance about results that will be obtained from an experiment |
| experiment | testing a hypothesis |
| control group | the comparison group in a controlled experiment |
| experimental group | the group that gets the treatment in a controlled experiment |
| independent variable | the variable changed by the experimenter |
| dependent variable | the variable measured by the experimenter |
| theory | a broad and comprehensive statement of what is thought to be true |
| peer review | experts in the field anonymously read other scientists research |
