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NAS2 Challenge Exam With Questions And Correct Answers Latest Version 2024/2025 $13.99   Add to cart

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NAS2 Challenge Exam With Questions And Correct Answers Latest Version 2024/2025

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NAS2 Challenge Exam With Questions And Correct Answers Latest Version 2024/2025

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  • September 19, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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NAS2 Challenge Exam With Questions And
Correct Answers Latest Version 2024/2025



Purpose of Scientific Method Answer: solve a problem or answer a question



Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude Answer: steps of scientific
method



Independent variable Answer: a variable that stands alone and isn't changed by the other variables
you are trying to measure, change or controlled



example: age



dependent variable Answer: a variable dependent on other factors, tested or measured



example: test score - factors that go into a score you receive on a test



control group Answer: does not receive treatment and used to compare or measure the other
subjects



experimental group Answer: exposed to changes in independent variable



anatomy Answer: branch of science concerned with bodily structure of living organisms; structure

, physiology Answer: science dealing with the functions of living things or their organs



level of organization Answer: living things arranged from the simplest to most complex are:

organelle

cells

tissues

organs

organ systems, organism

populations communities

ecosystem

biosphere



requirements for life Answer: Cellular organization

Reproduction

Metabolism

Homeostasis

Heredity

Response to stimuli

Growth and development

Adaptation through evolution



survival needs Answer: Food, oxygen, water, body temperature, atmospheric pressure
(oxygen/carbon dioxide exchange)



homeostasis Answer: relatively constant internal physical and chemical conditions that organisms
maintain

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