<span>The correct answer is D: All of the above. Any small individual changes in the eco-system can cause larger scale changes throughout the eco system due to the interconnectivity of species within the larger system.</span>
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>
D. Mother cows have fierce maternal instincts.
Answer:
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Explanation:
This is what the cell membrane does so if any of these are an answer choice then use process of elimination to figure out which one is correct
