Which of the following best exemplifies a potential tragedy of the commons?
a. Everyone shows up at the party wearing the same pink shirt.
b. Nobody cleans the lake after pollutants are accidentally spilled in it.
c. Multiple shepherds allow their sheep to graze on a plot of land.
d. A rainforest is cut down to build housing.
Ans: C
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In attempting to develop new treatments for schizophrenia, researchers have recently begun to examine drugs based on ______.
A. dopamine B. gamma-aminobutyric acid (GABA) C. acetylcholine D. glutamate
If you are encoding information into memory without much effort or awareness, you are experiencing automatic encoding.
Answer the following statement true (T) or false (F)
Your friend works in a lab and is paid for each three blood smears analyzed. Your friend is operating on which schedule of reinforcement?
a. fixed ratio b. variable ratio c. fixed interval d. variable interval e. random interval
If you are looking at a slide of muscle and you see no bands or stripes, what type of muscle does it have to be?
A. striated or skeletal muscle B. smooth muscle C. cardiac muscle D. endogenous muscle