Darwinism Evolution Intelligent Design

Why do one-celled organisms undergo programmed cell death? A real evolution puzzle

Researchers: “In unicellular organisms, however, programmed cell death (PCD) poses a difficult and unresolved evolutionary problem. ” It’s not clear just how the researchers think they have answered the question. Claiming that some types of PCD are “true” and others are “ersatz” doesn’t seem to answer the central question — why programmed death occurs at all.