Why Is Darwin Considered Original in His Thinking

question 33

Multiple Choice

Why is Darwin considered original in his thinking?

• A) He provided examples of organisms that had evolved over time.
• B) He demonstrated that evolution is continuing to occur now.
• C) He described the relationship between genes and evolution.
• D) He proposed the mechanism that explains how evolution takes place.
• E) He observed that organisms produce large numbers of offspring.

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Definitions:

Vasoocclusive Crisis

A painful episode that occurs in sickle cell anemia when sickled red blood cells block blood flow through vessels.

Sickle Cell Crisis

A severe, painful episode that occurs in people who have sickle cell anemia, caused by blockage of blood flow by misshaped red blood cells.

Sickle Cell Trait

The condition of having one gene for sickle cell anemia and one normal gene, which can result in milder symptoms compared to sickle cell disease.

Sickle Cell Anemia

A genetic blood disorder characterized by the production of abnormal, crescent-shaped red blood cells, leading to various complications such as pain and anemia.