NAS2 Challenge Exam UPDATED
ACTUAL Questions and CORRECT
Answers
Purpose of Scientific Method - CORRECT ANSWER✔✔- solve a problem or answer a
question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - CORRECT
ANSWER✔✔- steps of scientific method
Independent variable - CORRECT 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 - CORRECT 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 - CORRECT ANSWER✔✔- does not receive treatment and used to compare or
measure the other subjects
experimental group - CORRECT ANSWER✔✔- exposed to changes in independent variable
anatomy - CORRECT ANSWER✔✔- branch of science concerned with bodily structure of
living organisms; structure
physiology - CORRECT ANSWER✔✔- science dealing with the functions of living things or
their organs
, level of organization - CORRECT 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 - CORRECT ANSWER✔✔- Cellular organization
Reproduction
Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
survival needs - CORRECT ANSWER✔✔- Food, oxygen, water, body temperature,
atmospheric pressure (oxygen/carbon dioxide exchange)
homeostasis - CORRECT ANSWER✔✔- relatively constant internal physical and chemical
conditions that organisms maintain
receptor - CORRECT ANSWER✔✔- senses environmental stimulus and sends info to
control center
control center - CORRECT ANSWER✔✔- hypothalamus
signals effector
ACTUAL Questions and CORRECT
Answers
Purpose of Scientific Method - CORRECT ANSWER✔✔- solve a problem or answer a
question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - CORRECT
ANSWER✔✔- steps of scientific method
Independent variable - CORRECT 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 - CORRECT 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 - CORRECT ANSWER✔✔- does not receive treatment and used to compare or
measure the other subjects
experimental group - CORRECT ANSWER✔✔- exposed to changes in independent variable
anatomy - CORRECT ANSWER✔✔- branch of science concerned with bodily structure of
living organisms; structure
physiology - CORRECT ANSWER✔✔- science dealing with the functions of living things or
their organs
, level of organization - CORRECT 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 - CORRECT ANSWER✔✔- Cellular organization
Reproduction
Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
survival needs - CORRECT ANSWER✔✔- Food, oxygen, water, body temperature,
atmospheric pressure (oxygen/carbon dioxide exchange)
homeostasis - CORRECT ANSWER✔✔- relatively constant internal physical and chemical
conditions that organisms maintain
receptor - CORRECT ANSWER✔✔- senses environmental stimulus and sends info to
control center
control center - CORRECT ANSWER✔✔- hypothalamus
signals effector
