Question

In the diagram, which letter corresponds to an ancestor with a nucleus?

1) A
2) B
3) C
4) D

Answer 1

In the diagram, the letter that corresponds to an ancestor with a nucleus is A.

Step-by-step explanation:

Based on the diagram, the letter that corresponds to an ancestor with a nucleus is A. The presence of a nucleus distinguishes eukaryotic cells from prokaryotic cells. Organisms with a nucleus are part of the domain Eukarya, which includes plants, animals, fungi, and protists.

Therefore, option 4) A is the correct answer.