Evidence indicates that all life on Earth today
A) has a single common ancestor.
B) requires oxygen for life.
C) is able to extract energy from the sun.
D) evolved from ancestors containing genetic material in the form of proteins.
E) is multicellular.

Question

Quizplus · Accepted Answer

The theory of universal common ancestry suggests that all life on Earth shares a common ancestor. This means that all organisms, from bacteria to humans, share a common set of genetic material and are related to each other through a shared ancestry. This theory is supported by evidence from molecular biology, genetics, and fossil records.

Evidence Indicates That All Life on Earth Today