The red fox’s reddish coloring allows it to blend into its forest biome, while the kit fox’s beige coloring allows it to blend into its desert biome. The red fox has small ears, while the kit fox has large ears to help rid its body of heat. Which of the following statements gives the best explanation for the differences between these foxes?

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 greek scientist created a screw to move water for irrigation?

When a third party injects him or herself into an existing dispute between a plaintiff and defendant?