Over a Span of Two Decades,scientists Measured Changes in the Beak

question 21

Multiple Choice

Over a span of two decades,scientists measured changes in the beak size of a population of Galápagos ground finches.This ________.

• A)provided evidence of natural selection in action
• B)is an example of artificial selection
• C)is an example of overproduction
• D)led Darwin to his theory of evolution through natural selection

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Definitions:

Surgical Destruction

The intentional removal or damage of body tissue or organs during surgery for therapeutic purposes.

Brain Tissue

The soft, complex tissues that comprise the brain, responsible for processing information, controlling body functions, and facilitating cognition.

Endocrine System

A network of glands in the body that produce hormones, which regulate processes such as growth, metabolism, and reproductive function.

Ovaries

Female reproductive organs in which ova or eggs are produced, part of the vertebrate female reproductive system.