Across
- 2. The new organism has a single parent.
- 7. Study of life
- 8. Descriptive characteristics
- 11. Directions for inheritance are carried on this molecule
- 12. The variable the is deliberately changed
- 15. Constant set of conditions
- 17. Logical interpretation based on what scientists already know
- 18. The act of noticing and describing events or processes in a careful, orderly way.
- 19. What scientists gather
Down
- 1. Cells from two different parents unite to produce the first cell of the new organism.
- 3. Signal to which an organism responds
- 4. All other variables should be kept unchanged, or controlled.
- 5. Exposed to the same conditions as the experimental group except for changes in the independent variable
- 6. The variable that is observed and that changes in response to the independent variable.
- 9. Combination of chemical reactions
- 10. A tentative explanation that can be tested by further observation or by experimentation
- 13. Tested, highly reliable scientific explanation of events.
- 14. Numbers obtained by counting or measuring
- 16. Changer over time