Answer:
Ida B. Wells became an activist when she was forced to change her seat on the train to where African Americans “belong”.
Explanation:
Ida B. Wells bought a train ticket from Memphis to Nashville for first-class part of the train. But after the train control arrived she was asked to change her seat for the one in African American part of the train. At first she denied and rebelled greatly. She even hit one person. But at the end she needed to change the seat.
This event caused that she feels powerful sentiment against prejudice and begins to be activist and fight against it.
Answer:Native specie are species that naturally lives in an ecosystem.They are usually assisted by new species.
Non native specie;These are species that exist outside their natural range.They usually exist where they have not naturally occured and they don't hinder the presence of other specie in the ecosystem.
Indicators are organisms whose existence is largely dependent on the condition of the ecosystem.
Key stone specie;These species have significant impact on their eco system.Non existence of these species can cause significant regress In an ecosystem.
Causes of decline of the listed species.
1)Pathogens and pest.
2)Human causes.
3)Loss of habitat.
4)Loss of pollinators and other plant partners.
Owl as an indicator specie has declined.
Explanation:
<span>Third parties face many obstacles in the United States. In all states, the Democratic and Republican candidates automatically get on the ballot, whereas third-party candidates usually have to get thousands of signatures on petitions just to be listed on the ballot. The state and federal governments, which make rules governing elections, are composed of elected Democratic and Republican officials, who have a strong incentive to protect the existing duopoly. Also, third-party candidates often face financial difficulties because a party must have received at least 5 percent of the vote in the previous election in order to qualify for federal funds.</span>
Answer:
An operational definition is the preise meaning of a term used to describe a variable such as a type of behavior, which researchers want to measure.
Explanation:
Every variable used in a research must have two definitions: the conceptual definition and the operational definition. The conceptual definition is the one that can be found in a dictionary, it explains the construct and its relationship to other constructs. The operational definition defines de variable in terms of observable constructs that can be measured empirically. For example, when studying different types of behavior, the operational definition must make clear what empirical elements define each type of behavior.
