In the Example of Darwin's Finches,there Were Changes in Beak

question 16

Multiple Choice

In the example of Darwin's finches,there were changes in beak size because

• A)some finches changed their beak size in response to environmental changes.
• B)environmental variables directly affected how large beaks would grow.
• C)finches with larger beaks had an advantage in obtaining food during an environmental crisis.
• D)a mutation occurred that gave the finches a needed change in beak size.

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Definitions:

Capillary Walls

The thin, permeable barriers of capillaries through which exchange of gases, nutrients, and wastes occurs between blood and tissues.

Simple Squamous Epithelium

A solitary layer of flattened cells lining areas engaged in diffusion and filtration, including blood vessels and lung air sacs.

Keratinized Epithelium

A type of epithelial tissue that has become hardened or cornified through the incorporation of keratin, often found in the outer layers of the skin, hair, and nails.

Squamous Epithelium

A type of epithelial tissue composed of flat, scale-like cells found in various body sites, including the skin and lining of body cavities.