What Data Allowed Researchers to Conclude That There Was a Significant

question 4

Multiple Choice

What data allowed researchers to conclude that there was a significant gene-environment interaction affecting larval foraging behavior in fruit flies?

• A) In the absence of food, rover and sitter genotypes behaved similarly, while in the presence of food, they behaved differently.
• B) Rover and sitter genotypes are maintained in the population by frequency-dependent selection.
• C) Rover and sitter genotypes are maintained in the population by density-dependent selection.
• D) The behavior of larval rovers differed from that of adult sitters.
• E) The behavior of larval sitters differed from that of adult rovers.

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Definitions:

Prevention Costs

Costs that are incurred to keep defects from occurring.

Internal Failure Costs

Costs associated with defects found before the delivery of a product to the customer, including scrap, rework, and downtime.

External Failure Costs

Costs that occur when products fail to meet quality standards after being delivered to customers, including returns, repairs, and warranty claims.

Opportunity Costs

The financial impact of skipping the immediate next favorable choice in the process of making a decision.