Punctuated equilibrium has been a theory in evolutionary biology developed and coined by Stephen Jay Gould which talks about very rapid changes which occur in nature while on the other hand still having a lot of stable periods with plenty of change in general.
The correct answer for that reason would be B.
Oh thats gotta be the sciatic nerve
The answer choices to this question are:
<span>a.
</span>Learned
helplessness.
<span>b.
</span>Stimulus
discrimination.
<span>c.
</span>Aversive
conditioning.
<span>d.
</span>Vicarious
learning.
The best answer choice is:
<span>a. </span>Learned
helplessness
<span>Explanation: Learned helplessness was studied by
Seligman as a potential animal model of depression. Learned
helplessness occurs when people or animals feel helpless to
avoid negative situations. Martin Seligman first observed learned
helplessness when he was doing experiments on dogs. He noticed that the dogs
didn't try to escape the shocks if they had been conditioned to believe that
they couldn't escape.</span>
A: Mean, Median, and Mode. Hope this helps!
