Given That Our Galaxy Has a Volume of Approximately 8

question 8

Multiple Choice

Given that our galaxy has a volume of approximately 8 10¹² ly³, what is the average distance between civilizations if there are currently 1 million intelligent civilizations in our galaxy?

• A) 1,500 ly
• B) 200 ly
• C) 320 ly
• D) 2,800 ly

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Definitions:

Mate Choice

The process by which an individual selects a mating partner, often based on specific traits that indicate quality or compatibility.

Sister Taxon

The closest phylogenetic relatives or groups that share a common ancestor not shared by any other group, used in evolutionary biology.

Honest Signaling

A concept where organisms display traits or behaviors that truthfully represent their fitness or quality to potential mates or rivals.

Sensory Drive

The concept that the environment can shape sensory systems and communication signals, influencing the evolution of perception and behavior in organisms.