A Biologist Listens to Frogs Singing at a Local Pond

question 57

Multiple Choice

A biologist listens to frogs singing at a local pond and hypothesizes that the sounds are mating calls.What would be the next step in the hypothesis-prediction method?

• A) Controlling an environment
• B) Making an observation
• C) Forming a hypothesis
• D) Making a prediction
• E) Testing a prediction

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Definitions:

Nonaggression Pact

A bilateral agreement in which two countries agree not to attack or support an attack against each other.

Joseph Stalin

A Soviet political leader who served as the General Secretary of the Communist Party of the Soviet Union from 1922 until his death in 1953, known for his authoritarian rule.

Adolf Hitler

was the dictator of Nazi Germany from 1934 to 1945, infamous for initiating World War II and orchestrating the Holocaust.

American Neutrality

Refers to the United States' policy of remaining neutral in international conflicts, particularly notable in its stance during the early years of both World War I and World War II.