A niche is the role a species plays in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will include the organism's role in the flow of energy through the ecosystem
Answer: C is the right answer.
The one that most likely to commit suicide is: a 40-year-old with low serotonin <span>activity
Serotonin is the one that control most of positive mood that happen to human (such as sexual desire, sense of appetite, sense of excitement , etc)
People with low serotonin activities tend to rarely or never experience such positive things in their life, which would increase their tendency to commit suicide.</span>
Before the birth and when the client asks any question, you should respond to it as soon as possible.
The federal system was the most important to the founding fathers
