All living organisms share a unity in their characteristics because they
A) are all multicellular.
B) are all producers.
C) have been stable and unchanging throughout time.
D) descended from a common ancestor.

Question

Quizplus · Accepted Answer

The statement "descended from a common ancestor" explains the unity in characteristics seen across all living organisms. All life on Earth shares a common genetic code and biochemical pathways, indicating a shared ancestry. This concept is supported by evidence from fields such as molecular biology, comparative anatomy, and paleontology.

All Living Organisms Share a Unity in Their Characteristics Because