Bio 104 Flashcards
Which of the following features would be useful in identifying pseudoscience?
Beliefs
In all muscle cells, two kinds of protein filaments slide past each other to shorten the muscle cell and generate force. What broad theme of biology does muscle illustrate?
Structure and function
Each spring, high school students, college interns, and retirees count and weigh tiny glass eels in streams that feed into the Hudson River. They report their observations to the New York State Department of Environmental Conservation Hudson River Estuary Program and the National Estuarine Research Reserve System, who depend on volunteers to help build a database of information about glass eels. The observations that these volunteers make would best be described as
observational studies
A (n) _____ is a proposed, testable explanation for an observation
Hypothesis
A (n) ________ is a factor that changes during an experiment
Variable
A (n) ________ in an experiment yields data against which other groups are compared
Control group
A (n) ________ differs from the control group by the one variable that is being tested in the experiment
Experimental group
What are the steps of the scientific method
Observation
Question
Hypothesis
Experiment
Result
Conclusion
The type of test that changes only one variable at a time in order to isolate the result is known as a _______ experiment
Controlled
The one variable that is manipulated by a scientist as a potential cause an experiment is the _____ variable
Independent
The ______ variable is the factor, a scientist observe to see the effect of the change made
dependent
A _____ is a group in with no response is expected
Negative control
A _____ establishes a baseline for an experiment
Control group
A _____ is a group in which a known response is expected
Positive control
In a ______ experiment, the researchers but not the participants know who receives the treatment and who does not, to eliminate subject bias
Single-blind
