John Tyler Bonner makes a new attack on an old problem: the question of how progressive
increase in the size and complexity of animals and plants has occurred." How is it," he …

A simple principle predicts a tendency, or vector, toward increasing organismal complexity in
the history of life: As the parts of an organism accumulate variations in evolution, they should …

The important role that randomness plays in evolutionary change John Tyler Bonner, one of
our most distinguished and insightful biologists, here challenges a central tenet of …

Although the growth of complexity during evolution seems obvious to most observers, it has
recently been questioned whether such increase objectively exists. The present paper tries …

HE third reprinting of the Vanuxem Lectures THE Tfor 1915-16, of for 1915-16, entitled A
Critique of the Theory of Evolution, having been exhausted, the publishers have asked for a …

Non-Darwinian theories about the emergence and evolution of complexity date back at least
to Lamarck, and include those of Herbert Spencer and the “emergent evolution” theorists of …

The process of organic evolution requires consideration of factors facilitating the
transformation of the organisms as well as factors responsible for preserving the …

" Fitness" has been used to indicate a measure of general adaptedness, and to indicate a
short-term measure of reproductive success. The former concept seems unproductive in …

The three well known revolutions of the past centuries-the Copernican, the Darwinian and
the Freudian-each in their own way had a deflating and mechanizing effect on the position of …

Robert Brandon is one of the most important and influential of contemporary philosophers of
biology. This collection of his recent essays covers all the traditional topics in the philosophy …