Across
- 1. a carefully thought-out explanation for observations of the natural world that has been constructed using the scientific method, and which brings together many facts and hypotheses
- 4. a proposition made as a basis for reasoning, without any assumption of its truth
- 7. Graph another term for pie chart
- 8. a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width
- 11. a variable whose value depends on that of another
- 13. a biological community of interacting organisms and their physical environment
- 14. the material structure of an individual life form
Down
- 2. a variable whose variation does not depend on that of another
- 3. a graph that uses lines to connect individual data points
- 5. analogous parts of other planets occupied by living organisms
- 6. statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena
- 9. A state of balance among all the body systems needed for the body to survive and function correctly
- 10. anything that can trigger a physical or behavioral change
- 12. the study of living organisms