A Scientist Studying Evolution of Peppered Moths (Biston Betularia)in Michigan

question 24

Multiple Choice

A scientist studying evolution of peppered moths (Biston betularia) in Michigan observed that the percentage of melanic moths increased by around 2% from 1960-1961.Has evolution occurred in this population?

• A)No,because melanism wasn't adaptive at that time.
• B)No,because the frequency of the melanic moths did not change enough to be considered evolution.
• C)Yes,because the frequency of the melanic moths in the population changed over time.
• D)Yes,because the frequency of melanic moths decreased.

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Definitions:

Sensory Coding

The process by which sensory organs translate stimuli into neural signals that can be interpreted by the brain to form perceptions.

Qualitative Differences

Distinctions based on qualities or characteristics that are not quantifiable by number, often involving variations in kind rather than degree.

Nervous System

The nervous system is a complex network of nerves and cells that carries messages between the brain and spinal cord to various parts of the body.

Skin Sensations

The subjective feelings or perceptions resulting from the stimulation of sensory receptors in the skin, including touch, pressure, heat, cold, and pain.