Eighty Years Ago,a Predatory Crab Was Introduced to a Region

question 22

Multiple Choice

Eighty years ago,a predatory crab was introduced to a region it previously did not inhabit and began preying on a species of marine snail.A scientist was able to locate museum specimens of the snail's shells from prior to the crab's introduction and to compare their thickness-an important factor in how protective the shells are-to the thickness of shells from current snails.Based on the graphs of her results (shown here) ,what form of evolution/natural selection has taken place?

• A) nonadaptive evolution
• B) stabilizing selection
• C) directional selection
• D) diversifying selection
• E) neutral selection

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Definitions:

Meganational Strategy

A business strategy that involves operating in multiple countries across several geographic regions, focusing on leveraging global efficiencies and synergies.

Integrations

This refers to the process of combining or coordinating different entities, systems, or processes to function together more effectively.

Global and Local Advantages

The benefits that companies gain by leveraging both global standardization to achieve efficiency and local adaptation to meet specific market needs.

Meganational Approach

A strategy by businesses to operate on a global scale, emphasizing uniformity in products and services across countries to exploit economies of scale.