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NAS2 Challenge Exam 2024/25

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NAS2 Challenge Exam 2024/25 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 v...

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  • April 25, 2024
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  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
  • nas2 challenge
  • NAS2 Challenge
  • NAS2 Challenge
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NAS2 Challenge Exam
2024/25
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
receptor - ANSWER senses environmental stimulus and sends info to control center

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