Answer:
a. sham lesion control group.
Explanation:
The experimenter will need to conduct a sham or placebo surgery or in simple words a fake surgery or radio frequency lesion on the rats in the control group. This will look like radio frequency lesion to the control group but in actual will be done just to induce the sham or placebo effect for studying the changes in emotional behavior to the lesion. Hence, the experiment will require a sham lesion control group.
I believe the correct answer would be false. Castes are not an example of an open system. <span> An </span>open system<span> describes a society with mobility between different social classes. In a caste system people are categorized depending on their social status. Hope this answers the question. Have a nice day.</span>
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Malay Archipelago, largest group of islands in the world, consisting of the more than 17,000 islands ofIndonesia<span> and the approximately 7,000 islands of the</span>Philippines<span>.</span>
