A Small Flock of Birds Becomes Stranded on an Isolated

question 22

Multiple Choice

A small flock of birds becomes stranded on an isolated island during a hurricane.The birds successfully breed and spread across the island.Several decades later,another flock of birds of the same species also becomes stranded on the island.The new arrivals are slightly larger than the rest of the birds,but they freely interbreed with the rest of the birds,and they produce fertile offspring.Which one of the following processes is best illustrated in this example?

• A)Speciation
• B)Genetic drift
• C)Natural selection
• D)Gene flow

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Definitions:

Automaticity

The ability to perform tasks without occupying the mind with the low-level details, typically resulting from learning, repetition, and practice.

Little Effort

A minimal amount of work or exertion required to achieve something.

Process Information

The act of taking in, interpreting, and making sense of data or stimuli from the environment.

Information-Processing

A cognitive approach that compares the mind to a computer, focusing on how people encode, store, and retrieve information.