A Flock of Birds with Various Beak Sizes Migrates to a New

question 108

Multiple Choice

A flock of birds with various beak sizes migrates to a new island where their traditional food is not available. However, there are plants that produce a variety of large nuts, which can be eaten by birds with the largest beaks, and plants that produce a variety of small, soft seeds, which can be eaten by birds with the smallest beaks. Over time, this population divides into two species with large and small beaks. This is an example of

• A) directional selection.
• B) stabilizing selection.
• C) disruptive selection.
• D) sexual selection.
• E) genetic drift.

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Definitions:

Relevant Costs

Costs that are directly affected by a specific business decision and should be considered when making that decision.

Fixed Costs Per Unit

The fixed costs associated with a product divided by the number of units produced, highlighting how these costs dilute with increased production.

Joint Products

A scenario in production where a single process yields multiple products simultaneously.

Split-Off Point

The stage in a production process where joint products can be recognized as separate products.