If Crayfish Are Raised in a Very Clean Aquarium That

question 33

Multiple Choice

If crayfish are raised in a very clean aquarium that only has iron filings in the floor,and they are allowed to go through several molts so that an iron filing is now serving as a statolith,what would be the effect of a large magnet suspended above the aquarium?

• A)There would be no effect at all.
• B)The crayfish would swim sideways.
• C)The crayfish would swim upside down.
• D)The crayfish would be unable to detect food.
• E)The crayfish would be blind.

Learn about instinct theories and social learning theories related to aggression.

Identify the social psychology definitions of aggression and violence.

Recognize the role of social norms and biases in perceptions of aggression.

Explain the impact of testosterone and neurotransmitters on aggression.

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Definitions:

Price-fixing

The practice where businesses conspire to establish prices at a certain level, rather than letting them be determined by free-market forces.

Herfindahl Index

A measure of market concentration that is calculated by squaring the market share of each firm competing in a market and then summing the resulting numbers.

Economic Concentration

The degree to which a small number of firms occupy a large proportion of the market in a particular industry.

Market Shares

The portion of a market controlled by a particular company or product.