Following a Crash of an Amtrak Train Between Philadelphia and New

question 2

Multiple Choice

Following a crash of an Amtrak train between Philadelphia and New York,the eastern corridor north-south route was shut down.Commuters between Washington,D.C.,Philadelphia,and New York City were affected.Many had to resort to air travel.At the time of the shut-down,the airlines serving this corridor raised their airfares.Commuters complained that they were quoted prices of $2,000 for air fares in the route that normally ranged from $300-$500.What would constitute an antitrust violation?​

• A)​if the airlines raised their rates in response to the new demand
• B)​if the airlines communicated to each other about raising the fares
• C)if there was conscious parallelism on raising the fares
• D)if the rates were higher than Amtrak rates

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Definitions:

Ecological Role

The specific part an organism plays in its ecosystem, including how it gets its energy, interacts with other organisms, and contributes to the flow of nutrients.

Ecological Niche

The role and position a species has in its environment, including all its interactions with the biotic and abiotic factors of its environment.

Competitively Superior

Describes an organism that has advantages over others in terms of resource acquisition, survival, and reproduction within a competitive environment.

Adaptive Radiation

The diversified evolution of a group of organisms into forms filling different ecological niches.