Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.
A) require energy
B) use essentially the same genetic code
C) reproduce
D) show heritable variation

Question

Quizplus · Accepted Answer

The fact that all organisms use essentially the same genetic code, with minor variations, strongly supports the idea of a common origin of life on Earth. This indicates that all organisms share a common ancestor that passed down the same genetic code. The other options (A, C, and D) are shared characteristics of all living organisms, but do not necessarily imply a common origin.

Which of the Following Evidence Most Strongly Supports the Common