Considers why humans consider themselves superior to all other animals, and whether they are right to do so.

Introduction; 1. The status of humans; 2. Mechanism versus organicism; 3. Darwinian evolution; 4. Mechanism and human nature; 5. Organicism and human nature; 6. The problem of progress; 7. Morality for the organicist; 8. Morality for the mechanist; Epilogue.

Michael Ruse is the former Lucyle T. Werkmeister Professor of Philosophy at Florida State University. Over his fifty-year career he has authored and co-edited over sixty books on topics ranging from the history and philosophy of science, especially evolutionary biology, to the philosophy of religion. They include Can a Darwinian be a Christian? (Cambridge, 2004), The Gaia Hypothesis: Science on a Pagan Planet (2013), and A Meaning to Life (2019).