Some Animals Have Evolved a Body Form That Allows Them

question 27

Multiple Choice

Some animals have evolved a body form that allows them to run very fast,while others run more slowly.Whereas a cheetah can run at speeds over 50 mph,an elephant can barely run at 15 mph.The most important physical factor behind this variance is the difference in

• A)the shape of their feet.
• B)the length of their legs.
• C)the ratio of muscle to their total body mass.
• D)the ratio of body length to body height.

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Definitions:

Yalta Conference

A meeting held in February 1945 among the heads of government of the United States, the United Kingdom, and the Soviet Union (Roosevelt, Churchill, and Stalin) to discuss post-World War II reorganization of Europe and the establishment of the United Nations.

Protectorate

A state or territory partially controlled and protected by a more powerful country but retaining some degree of internal autonomy.

Pro-Soviet Government

Governments or political regimes that were aligned with or supportive of the Soviet Union during the Cold War, often influenced by communist ideology.

Dumbarton Oaks

The site in Washington, D.C., where discussions were held in 1944 that led to the creation of the United Nations.