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    Evolution
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    Exam 11: The Origin and Evolution of Early Life
  5. Question
    What Was LUCA
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What Was LUCA

Question 18

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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