The Expression "There's No Such Thing as a Free Lunch

question 156

Multiple Choice

The expression "There's no such thing as a free lunch" means

• A) in an exchange, if one person gains, someone else must lose.
• B) each person must pay for exactly what he or she receives.
• C) the use of resources to meet one need means that those resources can no longer be used to meet another need.
• D) in an exchange, if one person gains, someone else must lose and equal amount.

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Definitions:

Migratory Restlessness

The increased activity and restlessness observed in migratory animals, especially birds, as they prepare for their long-distance flights during migration seasons.

Genetic Differences

Variations in the genes among individuals or populations, which contribute to the biodiversity and heritable traits within species.

Migratory Orientation

The innate or learned ability of animals, particularly birds, to navigate and migrate over long distances across changing environments.

DNA Methylation

A biochemical process involving the addition of a methyl group to the DNA molecule, affecting gene expression without changing the DNA sequence.