NAS 2 EXAM | Complete Exam Questions and
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Terms in this set (121)
Purpose of Scientific solve a problem or answer a question
Method
Question, Hypothesis, steps of scientific method
Experiment, Observe &
Record, Analyze,
Conclude
a variable that stands alone and isn't changed by the
other variables you are trying to measure, change or
Independent variable controlled
example: age
a variable dependent on other factors, tested or
measured
dependent variable
example: test score - factors that go into a score you
receive on a test
does not receive treatment and used to compare or
control group
measure the other subjects
experimental group exposed to changes in independent variable
, branch of science concerned with bodily structure of
anatomy
living organisms; structure
science dealing with the functions of living things or
physiology
their organs
living things arranged from the simplest to most
complex are:
organelle
cells
tissues
level of organization
organs
organ systems, organism
populations communities
ecosystem
biosphere
Cellular organization
Reproduction
Metabolism
Homeostasis
requirements for life
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
Food, oxygen, water, body temperature, atmospheric
survival needs
pressure (oxygen/carbon dioxide exchange)
relatively constant internal physical and chemical
homeostasis
conditions that organisms maintain
senses environmental stimulus and sends info to
receptor
control center
hypothalamus
control center
signals effector
responds to stimuli
effector
example: muscle contracting
CORRECT Answers| (2025 update) Assured
success| grade A+
Save
Terms in this set (121)
Purpose of Scientific solve a problem or answer a question
Method
Question, Hypothesis, steps of scientific method
Experiment, Observe &
Record, Analyze,
Conclude
a variable that stands alone and isn't changed by the
other variables you are trying to measure, change or
Independent variable controlled
example: age
a variable dependent on other factors, tested or
measured
dependent variable
example: test score - factors that go into a score you
receive on a test
does not receive treatment and used to compare or
control group
measure the other subjects
experimental group exposed to changes in independent variable
, branch of science concerned with bodily structure of
anatomy
living organisms; structure
science dealing with the functions of living things or
physiology
their organs
living things arranged from the simplest to most
complex are:
organelle
cells
tissues
level of organization
organs
organ systems, organism
populations communities
ecosystem
biosphere
Cellular organization
Reproduction
Metabolism
Homeostasis
requirements for life
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
Food, oxygen, water, body temperature, atmospheric
survival needs
pressure (oxygen/carbon dioxide exchange)
relatively constant internal physical and chemical
homeostasis
conditions that organisms maintain
senses environmental stimulus and sends info to
receptor
control center
hypothalamus
control center
signals effector
responds to stimuli
effector
example: muscle contracting
