The Universal Features of Life on Earth — AI Quiz Generator

1. According to the text, what key piece of evidence suggests that all living things on Earth descended from a single common ancestor?

A) The fact that all organisms consume free energy to maintain their complex organization. B) The observation that complex organisms, like the mouse and sea urchin shown, develop from a single cell. C) The discovery that all cells store and use their hereditary information in the form of DNA, making it universally readable. D) The estimation that life has been evolving and diversifying for more than 3.5 billion years.