The the western u. s ranchers aggressively killed wolves because they posed a threat to their cattle. as the wolf population declined, the deer population began increasing. as a result, the surrounding forest ecosystem experienced increasing damage. the large number of deer ravaged vegetation and destroyed young trees. the entire ecosystem became degraded until wolves became protected when they were determined to be an endangered species. based on this information, what can you infer about the role of the wolves ecosystem? a. they are pioneer species b. they are keystone species c. they are prey species d. they are competitive species

For what reason might an inmate be granted a furlough

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.

What aspect of the roaring twenties do you think changed society