There Is a Genetic Basis for Differences in Foraging Behavior

question 64

Multiple Choice

There is a genetic basis for differences in foraging behavior among fruit fly larvae. Some larvae crawl around a lot, and eat yeast that grows on decaying fruit. These larvae are called ____.

• A)seekers
• B)sitters
• C)hunters
• D)rovers
• E)scavengers

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Definitions:

Contribution Margin

The amount by which sales revenue exceeds variable costs, contributing to covering fixed costs and generating profit.

Variable Production Costs

Costs that vary directly with the level of production output, such as raw materials and direct labor.

Useful Life

The estimated period over which an asset is expected to be usable by the owner, affecting its depreciation calculation.

Book Value

The value of an asset according to its balance sheet account balance, taking into account the cost of the asset minus any depreciation, amortization, or impairment costs.