Evolution Has Been Tested in Various Ways

question 44

Multiple Choice

Evolution has been tested in various ways. Genetic, fossil, anatomical, physiological, and behavioral studies all confirm that evolution is the mechanism of the origin of species. Thus, in science evolution is considered a scientific ____.

• A) fact
• B) hypothesis
• C) law
• D) theory
• E) guess

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Definitions:

Radial Vein

A vein located in the forearm that is part of the venous system returning blood to the heart.

Forelimb

The front limbs of an animal, such as the arms in humans or the paws in quadrupeds, used for various activities like grasping, walking, or flying.

Saphenous Vein

A long vein that runs along the length of the leg, important for surgical procedures such as bypass operations and varicose vein treatment.

Popliteal Vein

A blood vessel situated at the back of the knee which transports blood from the lower leg to the femoral vein.