If Cowbird Eggs Are Laid in an Oropendola Nest in the Open

question 37

Multiple Choice

If cowbird eggs are laid in an oropendola nest in the open woodlands of Central America, what would be the expected outcome?

• A) The cowbird eggs would be ejected from the nest to eliminate the competition.
• B) The cowbird eggs would be ejected from the nest due to a reaction of the mother bird's immune system.
• C) The cowbird eggs would not be ejected from the nest because they provide an additional food source.
• D) The cowbird eggs would not be ejected from the nest because they provide protection from large predators.
• E) The cowbird eggs would not be ejected from the nest because they provide protection from parasites.

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Definitions:

Exchange Rate

The exchange rate of one currency relative to another for the purpose of conversion.

Trade Deficits

Occurs when a country's imports of goods and services exceed its exports, leading to more money leaving the country than coming in.

Saving Rate

The saving rate is the proportion of income that is not spent on consumption, but rather set aside for future use, often expressed as a percentage of total income.

Current Account Deficits

A situation where a country's total imports of goods, services, and transfers are greater than its total exports, indicating a nation is spending more abroad than it is earning.