Commensalism is an interaction in which one individual benefits while the other is neither helped nor harmed. Example: Orchids (example of epiphytes)
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>
It seems that you have missed the necessary options to answer this question, but anyway, here is the answer. The cell walls of bacteria contain the material PEPTIDOGLYCANS. This is the <span>substance forming the cell walls of many bacteria, consisting of glycosaminoglycan chains interlinked with short peptides. Hope this answer helps.</span>
An organism has pink flowers because of the genotype RW. what will the phenotype ratio be if these two flowers were bred together? A. 1:2:1 B 2:1:1 C 0:4:0 D 2:2:0
A:1:2:1
