Across
- 4. Variable / Variable that is observed (measured) and that changes in response to the independent variable
- 7. / Part of the Earth in which life exists including land, water, air or atmosphere
- 8. / The universal genetic code is written in this molecule
- 9. / The start of the scientific method, use your senses to collect
- 11. / Possible explanation for a set of observations or possible answer to a scientific question
- 12. Reproduction / Process of reproduction involving a single parent that results in offspring that are genetically identical to the parent
Down
- 1. / The number of characteristics that all life shares
- 2. / Relatively constant internal physical and chemical conditions that organisms maintain
- 3. Variable / Factor in a controlled experiment that is deliberately changed
- 5. / The study of life
- 6. / The combination of chemical reactions through which an organism breaks down or builds up materials
- 10. / Signal to which an organism responds
- 13. Reproduction / Type of reproduction which cells from two parents unite to form the first cell of a new organism