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.

Question

Quizplus · Accepted Answer

LUCA stands for the Last Universal Common Ancestor, which refers to a population of organisms that is the most recent common ancestor of all current life on Earth, rather than a single individual.

What Was LUCA