The mentioned case represents secondary succession.
Secondary succession is one of the two kinds of ecological succession of plant life. Secondary succession refers to a procedure initiated by an incident, like harvesting, forest fire, hurricane, and others, which minimizes an already settled ecosystem to a lesser population of species.
Thus, it can be said that the secondary succession takes place in preexisting soil on the other hand primary succession takes place in a place devoid of soil.
Secondary succession is the ecological succession, which takes place after the initial succession has been disrupted and certain plant and animal species do prevail. It is usually faster in comparison to primary succession.
The point of the experiment has been foiled by the choice to hand water one group and use sprinklers on the other. Whether talking to the plant or not did anything can't be proven because of this. If the student were to try to publish this experiment and the outcomes. Critics would be able to use the unequal treatment in water supply as a reason to discredit his/her experiment and dismiss the claims. When performing an experiment like this it is very important to treat each side as equal as possible.
The correct answer is Naltrexone.
Disease: Kleptomania & Symptoms
It is an unusual condition disorder in which a person has an urge to steal the things even if they don't need it. This is a type of impulsive disorder which is characterized by repeating and continuous patterns of stealing.
Treatment
Naltrexone is a drug that cures this disease, this drug blocks the effect of endogenous opitates that may be released during stealing. In layman language one can say that it blocks that part of he brain which feels pleasure with some of the addictive behaviors. It was found that after eight weeks of treatment by this medicine, the urge to steal things was reduced.
I believe it will be 200,000 years
Separation of sister chromatids
