| A | B |
|---|
| Cells | all living things are made of these |
| Unicellular | living thing made of only one cell |
| Evolve | A population of organisms that changes over time is said to do this |
| Reproduction | Characteristic of life which enables organisms to produce more individuals like themselves |
| Response to the environment | The characteristic of life that best explains why birds fly south for the winter |
| Cells | Smallest functional unit of life |
| Independent variable | The variable that is deliberately changed in a controlled experiment |
| Dependent variable | variable that is observed and that changes in response to the independent variable |
| Data | Information gathered from observations or experiments |
| Hypothesis | proposed scientific explanation for a set of observations |
| Stimuli | signal to which an organism responds |
| Metric system | a decimal systems of measurement whose units are based on certain physical standards and are scaled on multiples of 10 |
| Inference | logical interpretation based on prior knowledge or experience |
| Theory | well-tested explanation that unifies a broad range of observations |
| Observations | Process of gathering information about events or processes in a care |
| Asexual reproduction | the new organism has a single parent |
| Biology | science that seeks to understand the living world |
| Microscope | device that produces magnified images of structures |
| Cell | collection of living matter enclosed by a barrier that separates it from its environment |
| Homeostasis | process of keeping an organism's internal conditions constant |
| Metabolism | combination of living matter enclosed by a barrier that separates it from its environment |
