BIO 100 EXAM 1 COMPREHENSIVE TEST PAPER
QUESTIONS AND SOLUTIONS
◉ Observer Bias.
Answer: Occurs when the observers know the goals of the study or
the hypotheses and allow this knowledge to influence their
observations during the study.
◉ Double Blind Experiment.
Answer: Neither the participants nor the researchers know which
participants belong to the control group, nor the test group.
◉ Random Assignment.
Answer: Placement is an experimental technique for assigning
subjects to different treatments
◉ Controlled Variable.
Answer: The quantities that a scientist wants to remain constant.
◉ Independent Variables.
Answer: The values you are manipulating and have control over
,◉ Dependent Variable.
Answer: What you measure in the experiment and what is affected
during the experiment.
◉ Sample Size.
Answer: The number of observations in an assignment.
◉ Generalization.
Answer: A general statement obtained by inference.
◉ Control Group.
Answer: All groups are treated identically except one who does not
have the independent variable manipulated.
◉ Experimental Group.
Answer: The group in an experiment that receives the variable being
tested.
◉ Measurement Error.
Answer: Difference between the actual value of a quantity and the
value obtained by a measurement.
◉ Death.
, Answer: The absence of life.
◉ Movement
Breathing
Heart Beat
Brain Waves.
Answer: historical view of death
◉ Life.
Answer: Cells die continuously, but organisms still live.
◉ Organization/cells
Energy Use/ Metabolism
Homeostasis
Reproduction Growth and Development
Evolution.
Answer: 5 characteristics of life
◉ Organization/ Cells.
Answer: all living things are organized and composed of one or more
cells
QUESTIONS AND SOLUTIONS
◉ Observer Bias.
Answer: Occurs when the observers know the goals of the study or
the hypotheses and allow this knowledge to influence their
observations during the study.
◉ Double Blind Experiment.
Answer: Neither the participants nor the researchers know which
participants belong to the control group, nor the test group.
◉ Random Assignment.
Answer: Placement is an experimental technique for assigning
subjects to different treatments
◉ Controlled Variable.
Answer: The quantities that a scientist wants to remain constant.
◉ Independent Variables.
Answer: The values you are manipulating and have control over
,◉ Dependent Variable.
Answer: What you measure in the experiment and what is affected
during the experiment.
◉ Sample Size.
Answer: The number of observations in an assignment.
◉ Generalization.
Answer: A general statement obtained by inference.
◉ Control Group.
Answer: All groups are treated identically except one who does not
have the independent variable manipulated.
◉ Experimental Group.
Answer: The group in an experiment that receives the variable being
tested.
◉ Measurement Error.
Answer: Difference between the actual value of a quantity and the
value obtained by a measurement.
◉ Death.
, Answer: The absence of life.
◉ Movement
Breathing
Heart Beat
Brain Waves.
Answer: historical view of death
◉ Life.
Answer: Cells die continuously, but organisms still live.
◉ Organization/cells
Energy Use/ Metabolism
Homeostasis
Reproduction Growth and Development
Evolution.
Answer: 5 characteristics of life
◉ Organization/ Cells.
Answer: all living things are organized and composed of one or more
cells
