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A tentative explanation for what was observed.
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
What is the controlled variable or the control?
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
A scientific theory is:
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
Which of the following is the correct sequence, going from simplest to most complex, in the levels of structural organization of the human body?
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
All of the polar bears (species) living in the Artic constitute a(an)
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
The development of an experimental plan should NOT include:
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
A scientist performed an experiment to see the effects of a scary movie on the heart rate of people watching the movie. In this experiment, the dependent variable is:
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
If......then.... statement are how scientists write a(n):
supported by many trials from many different disciplines.
hypothesis
the heart rate
chemical, cellular, tissue, organ-system, organism
Hypothesis
bias
population.
The variable that doesn't change in the experimental group.
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