Chapter 1, Sections 1, 2, and 3
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| 7681253647 | Biosphere | Everywhere on Earth where life exists |  | 0 |
| 7681253648 | Biodiversity | Variety of species in a particular area or across the biosphere |  | 1 |
| 7681253649 | Species | A particular type of living thing that can reproduce by interbreeding | 2 | |
| 7681253651 | Organism | Any individual living thing |  | 3 |
| 7681253650 | Biology | The study of life and living organisms, including their physical and chemical structure, function, development and evolution |  | 4 |
| 7681289528 | Characteristics Shared by Organisms | Made of one or more cells Require Energy (Metabolism) Respond to Environment Reproduction | 5 | |
| 7681253652 | Characteristic - Cells | All organisms are made up of one or more cells. Single cell (Unicellular) or Many cells (Multicellular) |  | 6 |
| 7681316156 | Characteristic - Need for Energy (Metabolism) | All cells need chemical energy to carry out their functions including metabolism | 7 | |
| 7681324295 | Characteristic - Respond to Environment | All organisms must respond to to stimuli to survive |  | 8 |
| 7681329818 | Characteristic - Reproduction | All organisms must have the ability to reproduce in order for a species to survive |  | 9 |
| 7681336744 | Unifying Themes in Biology | Systems Structure and Function Evolution Homeostasis | 10 | |
| 7681341264 | Theme - Structure and Function | Function is related to, and is dependent upon, structure |  | 11 |
| 7681350844 | Theme - Evolution | Gradual change in genetic makeup of a population of a species |  | 12 |
| 7681357375 | Theme - Homeostasis | Stable internal conditions are maintained through automatic responses and through behavior | 13 | |
| 7681373210 | Theme - Systems | Related parts interact to form a whole |  | 14 |
| 7681380942 | Observing | Using senses or tools to gather information |  | 15 |
| 7681397238 | Forming Hypothesis | Ask a questions and try to explain observations |  | 16 |
| 7681399376 | Testing Hypothesis | Collecting data to support or reject a hypothesis |  | 17 |
| 7681405270 | Analyzing Data | Statistical Analysis of data to draw conclusions |  | 18 |
| 7681407695 | Evaluating Results | Data and conclusions are studied to determine whether they are valid |  | 19 |
| 7681417444 | Components of an Experiment | Independent Variables Dependent Variables Constants | 20 | |
| 7681419509 | Experiment | Using independent and dependent variables to find a cause and effect relationship |  | 21 |
| 7681425359 | Independent Variables | The condition that is manipulated in an experiment : the "Cause" |  | 22 |
| 7681436189 | Dependent Variables | The factor that is measured in an experiment: the "Effect" |  | 23 |
| 7681439282 | Constants | Conditions that remain the same in an experiment |  | 24 |
| 7681444760 | Theory | Proposed explanation for a wide range of observations and experimental results that is also supported by a wide range of evidence | 25 |
