Which of the Following Can Act as a Constraint on the Evolutionary

question 63

Multiple Choice

Which of the following can act as a constraint on the evolutionary process?

• A) The trade-off between the cost and benefit of an adaptation
• B) The occurrence of rare catastrophic events, such as meteorite impacts
• C) The fact that all evolutionary innovations are modifications of previously existing structures
• D) Both a and c
• E) All of the above

---

Definitions:

President McKinley

William McKinley, the 25th President of the United States (1897-1901), remembered for leading the nation during the Spanish-American War, setting the stage for American imperialism, and being assassinated during his second term in office.

Grover Cleveland

The 22nd and 24th President of the United States, known for his honesty and integrity, who served two nonconsecutive terms in office.

American Foreign Relations

The diplomatic and economic interactions between the United States and other countries, influenced by policies, treaties, and the global standing of the U.S.

Economic Growth

Economic growth is an increase in the production of goods and services in an economy over a period of time, often measured by GDP.