Answer:
Commensalism is a symbiotic relationship in which one species benefits while the other is not affected. Parasitism is a symbiotic relationship in which the parasitic species benefits while the host species is harmed.
Is called a self-fulfilling prophecy. This is a prediction that becomes true due to a change in behavior that allows the prophecy to be fulfilled, this makes the person believe that their perception was true and consider the prophecy as real. This effect is very similar to the confirmation bias. The term was coined by the sociologist Robert Merton.
I hope my answer can help you.
Answer:
b. To help former slaves to get food, shelter, clothing and education.
Explanation:
The southern reconstruction is a period when the former-slaves that freed during the civil war tried to transitioned to citizenship.
At that time, many southern people still openly treat the former-slave horribly. They attack them when they're out at nights, not hiring them for any types of jobs, etc.
This made it really difficult for the formers slaves to survive. The Freedmen's bureau was established to help them. As one of their programs, the Bureau help former slaves to get food, shelter, clothing and education.