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BIOS 105 Quiz 1
1. Science:
Answer A way of investigating phenomena
2. The Scientific Method:
Answer Method by which questions can be answered and hy- potheses can be tested; 6 steps: observation, question, hypothesis, prediction, experimentation, conclusion
3. Observation:
Answer Get background info, can be replaced by research if possible (mating season of rhino)
4. Question:
Answer Has to be narrow in focus, intent is to develop way to answer
5. Hypothesis:
Answer Making an educated guess about the question posed based on observation and research
6. Prediction:
Answer An if/then statement
7. Experimentation:
Answer Develop a method to test prediction; includes control group and experimental group
8. control group:
Answer Normal/ typical conditions, used for sake of comparison
9. experimental group:
Answer Conditions are altered
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10. independent variable:
Answer Direct control by researcher and part of the 'if' portion of prediction (amount of light or drug dosage)
11. dependent variable:
Answer may or may not be influenced by changes in the indepen- dent variable and part of the 'then' portion of prediction (amount of growth or change in cholesterol levels)
12. controlled variables:
Answer Not being studied but must be consistent between the control and experimental groups
13. Data collection:
Answer All variables must be measurable and measurements of inde- pendent and dependent variables must be taken and then statistically analyzed
14. Conclusion:
Answer Based on statistical analysis of data, either accept or reject hypoth- esis; if accepted, write report to share findings
15. Biology:
Answer The study of life
16. Levels in the hierarchy of organization in nature:
Answer Biosphere, ecosystem, community, population, organism, system, organ, tissue, cell, chemical/molecular
17. Biosphere:
Answer Planet earth; sphere of life
18. Ecosystem:
Answer Distinct geographical region with specific biota (living) exposed to specific abiotic conditions (non living enviro aspects like weather or ph)
19. Community:
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