Some Birds Follow Moving Swarms of Army Ants in the Tropics

question 31

Multiple Choice

Some birds follow moving swarms of army ants in the tropics. As the ants march along the forest floor hunting insects and small vertebrates, birds follow and pick off any insects or small vertebrates that fly or jump out of the way of the ants. This situation is an example of what kind of species interaction between the birds and the ants?

• A) consumption
• B) commensalism
• C) parasitism
• D) mutualism

Analyze profit-maximizing output and pricing strategies within monopolistic competition.

Interpret the impact of entry and exit on market dynamics in monopolistic competition.

Understand the role of economic profit in monopolistic competition.

Comprehend the significance of demand and cost schedules in determining firm's market strategies.

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Definitions:

Clean Air Act

An extensive federal statute in the U.S. that controls emissions from both stationary and mobile sources in order to safeguard public health and the environment.

Sulfur Dioxide

A toxic gas produced by volcanoes and in various industrial processes, known for causing respiratory problems and environmental damage.

Bubble Concept

A theoretical idea indicating an economic cycle characterized by rapid expansion followed by a contraction.

CERCLA Trust Fund

Also known as the Superfund, it is a fund established under the Comprehensive Environmental Response, Compensation, and Liability Act to finance the cleanup of hazardous substance spill and contamination sites.