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NAS 2 Challenge Exam TCC – Questions and Answers
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NAS 2 Challenge Exam TCC – Questions and Answers
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NAS 2 Challenge Exam|41 Questions withAnswers 2024
What is the purpose of the scientific method - -to clearly do an experiment
by process of steps helping you keep track and correct any mistakes and to
show others how you got to the result that you achieved in conclusion
-Identify the purpose of the scientific method - -1.Ask a question
2.Do Background research
3 Construct a hypothesis
4.test your hypothesis by doing an experiment
5 analyze your data and draw a conclusion
6. Communicate your results
-What is the difference between an independent variable and and
dependent variable - -Value of an independent can be changed. You cannot
change the value of dependent variable. the independent variable is the
value which is manipulated in an experiment. The dependent variable is
compared to the control group, which does not recieve the test variable
-Anatomy - -The study of structure and shape of the body and its parts and
relation to one another
-Physiology - -Study of how the body and its parts work or function
-Six Levels of organization - -1. Chemicals (atoms and molecules)
2. Cellular
3. Tissue
4. Organ
5. Organ system
6. Organismal
-Identify Requirements for Life - -The ability to :maintain one's boundaries,
move ,respond to stimuli,digest food, metabolize,excrete
waist,reproduce,grow
-Identify survival needs - -1. Nutrients
2. Oxygen
3. Water
4. Appropriate temperture
5. Appropriate atmospheric pressure
-Homeostasis - -A balance in which internal conditions change and very but
always within relatively narrow limits
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