Evidence that all living cells have a common origin is best illustrated by the:
A) basic similarities in cell structure and chemistry.
B) fact that all new cells come from previously existing cells.
C) cell theory, which states that the cell is the basic unit of life.
D) fact that cells are the building blocks of the most complex plants.
E) idea that cells are the smallest units that can carry out all life activities.

Question

Quizplus · Accepted Answer

Basic similarities in cell structure and chemistry across all living cells suggest a common origin, as these similarities indicate that all cells evolved from a shared ancestor.

Evidence That All Living Cells Have a Common Origin Is