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:

Coastal Resources

Natural assets located in coastal areas, including fisheries, coral reefs, mangrove forests, and tourism opportunities, vital for ecosystem and economic health.

Salmon Populations

Groups of salmon species found in various geographic locations, whose numbers can be affected by factors like fishing, habitat destruction, and climate change.

Spawning Beds

Designated areas or natural habitats in aquatic environments where fish and other aquatic organisms lay and fertilize their eggs.

Sackville Waterfowl Park

The Sackville Waterfowl Park is a nature reserve located in Sackville, New Brunswick, Canada, known for its diverse range of bird species and conservation efforts.