Biology Vocab

4. Tool that provides an enlarged image of an object
9. Using one of the five senses to gather information
10. The subject that is used for a standard of comparison
12. Based on observable characteristics using the five senses
13. basic unit of life
15. When a hypothesis has been tested repeatedly over and over and it is supported by evidence
16. Use and application of living things and biological processes
17. The factor that can be changed or manipulated in an experiment
19. An average
20. A testable explanation for observations and questions about the natural world
21. Scientific facts combined with well tested hypotheses
23. Regulations and maintenance of constant internal conditions in an organism
24. transmits electrons through thin slices of specimen

1. Inherited traits that are selected over time because it allows organisms to better survive in their environment
2. Using knowledge to identify and explain observations in advance
3. scans surfaces with a beam of electrons
5. Any variable that remains the same for both the experimental and control groups
6. Change in a species overtime; process of biological change by which descendants come to differ from their ancestors
7. Variety of life within an area
8. The most variable conditions or levels for growth, reproduction, or success
11. The factor that responds to changes in other variables in an experiment
12. Based on measurable characteristics
14. Used to see living or preserved specimens and provide clear images
16. Scientific study of all forms of life
18. Development of ideas based on observations
22. All chemical processes that break down materials within an organism