In the Case of the Peppered Moths in England,when Kettlewell

question 6

Multiple Choice

In the case of the peppered moths in England,when Kettlewell set up cameras to document that more white or black moths were eaten by birds on clean or sooty trees,he was verifying which factor involved in evolution by natural selection?

• A)The organisms vary in traits and that these traits may be acquired during a lifetime.
• B)The variation is inherited.
• C)More young are born than can survive,so there will always be competition.
• D)Some individuals are better adapted to a particular environment than other individuals.

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Definitions:

Excretory System

A system of organs responsible for the removal of waste products and excess substances from an organism's body.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the epidermis and nervous system among others.

Germ Layer

One of the three primary layers of cells (ectoderm, mesoderm, endoderm) in the early embryo that develop into specific organ systems.

Nervous System

A complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating and controlling bodily functions.