A Designed Experiment Is Described

question 49

Multiple Choice

A designed experiment is described. Identify the specified element of the experiment.
-A herpetologist performed a study on the effects of the body type and mating call of the male bullfrog as signals of quality to mates. Four life-sized dummies of male bullfrogs and two sound Recordings provided a tool for testing female response to the unfamiliar frogs whose bodies varied By size (large or small) and color (dark or light) and whose mating calls varied by pitch (high, Normal, or low) . The female bullfrogs were observed to see whether they approached each of the Four life-sized dummies. Identify the response variable.

• A)Whether or not (yes or no)the female frogs approached a male dummy
• B)Large and small; dark and light; call and no call
• C)The four life-sized dummy male bullfrogs
• D)Whether or not the male frogs were large and light-colored

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Definitions:

Kinetic Energy

Kinetic energy is the energy that an object possesses due to its motion, calculated as one-half the mass of the object times the velocity squared.

High Versus Low

A comparative context often used to differentiate between two extremes, such as temperature, pressure, elevation, or density.

Total Amount

The complete quantity or sum of all the parts or elements present in a given content or composition.

Growth Time

The period required for an organism, cell, or organ to grow to its full size or for a population to double.