What Was LUCA

question 18

Multiple Choice

What was LUCA?

• A)The first life-form.
• B)The only life-form present before our current lineage.
• C)The last universal ancestral life-form, a single individual.
• D)A population of life-forms that was the last common ancestor of life on Earth today.

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Definitions:

Social Loafing

The phenomenon where individuals exert less effort to achieve a goal when they work in a group than when they work alone.

Individual Contribution

The unique input or effort one person provides towards a group task or project.

Pluralistic Ignorance

A social psychological phenomenon where a majority of group members privately reject a norm, but incorrectly assume that most others accept it, and therefore go along with it.

Psychology Class

An academic course that studies the mind and behavior, covering topics from social interactions to cognitive processes.