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:

Symbolism

The use of symbols to represent ideas or qualities in literature, art, and other forms of cultural expression.

Freud

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, known for his theories of the unconscious mind, mechanisms of repression, and the role of sexual desires.

Id

In Freud’s theory, a term for the most primitive reactions of human personality, consisting of blind striving for immediate biological satisfaction regardless of cost.

Superego

In Freud’s theory, reaction patterns that emerge from within the ego, represent the internalized rules of society, and come to control the ego by punishment with guilt.