Which Scenario Is an Example of Commensalism

question 59

Multiple Choice

Which scenario is an example of commensalism?

• A) acacia trees coevolved with ant colonies that protect the tree from herbivores
• B) bacteria provide glucose to legume plants
• C) cattle egrets feed on insects flushed out from the grass by cattle
• D) plants coevolved with their pollinators
• E) tapeworms feed and reproduce in the intestines of pigs

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Definitions:

Major Powers

Countries that have significant influence on global affairs due to their economic, military, and diplomatic strengths.

Smaller Nations

Countries with relatively low population density, area, or economic influence compared to larger, more powerful states.

William H. Seward

An American politician who served as the United States Secretary of State under Presidents Abraham Lincoln and Andrew Johnson, remembered for his purchase of Alaska.

American Empire

Refers to the United States' expansion and exertion of economic, military, and cultural influence around the world.