Question

Which of the following statements is true concerning LUCA? (1) LUCA was a cell. (2) All life on Earth

evolved from LUCA. (3) LUCA probably existed probably around 4.5 billion years ago.
a. 1 only
b. 2 and 2
c. 1 and 2
d. 1, 2, and 3

Answer 1

I'm guessing you meant
b. 2 and 3 :)

If that was the case, then the answer is b.

I hope this helped.

Answer 2

2 and three. LUCA was an organism