An inert substance that resembles the treatment given to an experimental group is:
A) A placebo
B) A control
C) A variable
D) A hypothesis
E) Never used in an experiment
Correct Answer:
Verified
Q18: Homeostasis means:
A)That a population changes over time
B)That
Q19: Organisms that extract energy from nonliving environments
Q20: To be considered a living organism,the organism
Q21: Which taxonomic category would include the most
Q22: Which of the following are independent variables
Q24: In an experiment designed to measure the
Q25: In an experiment,which of the following is
Q26: In an experiment designed to measure the
Q27: All ecosystems:
A)Need a continuous outside energy source
B)Once
Q28: Which of the following are dependent variables
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