Biology Review

4. Descriptive observations or data that detail qualities or characteristics using senses rather than numerical values.
7. The process by which an organism maintains a stable internal environment.
8. A testable prediction or educated guess about the outcome of an experiment.
12. genetic molecule that carries hereditary instructions for the development and function of organisms.
13. A logical conclusion or interpretation derived from prior knowledge and observations.
14. specialized structure within a cell that performs a specific function essential to cellular operations.
15. Numerical data or measurements gathered during an experiment that can be counted or calculated.
17. variable that is measured or observed to see how it responds to changes.
18. The sum of all chemical reactions that occur within a living organism to sustain life.
19. A well-substantiated, broadly accepted explanation of a natural phenomenon supported by extensive empirical evidence.
21. passage of genetic traits and characteristics from parents to offspring through DNA.

1. process of gathering information using the five senses or measurement tools.
2. Quantitative or qualitative evidence and measurements collected during an investigation.
3. fundamental, structural, and functional unit of all living organisms.
5. group in an investigation that receives the specific treatment or variable being tested.
6. The standard or group used for comparison in an experiment where variables remain unchanged.
9. variable that is purposefully changed or manipulated by the scientist.
10. factor, trait, or condition that can exist in differing amounts or types in an experiment.
11. Factors in an experiment that are kept exactly the same across all trial groups.
16. An individual living thing that demonstrates all basic characteristics of life.
20. signal or physical change in the environment that causes an organism to react