scispace - formally typeset
Open Access

Punctuated equilibria: an alternative to phyletic gradualism

Reads0
Chats0
About
The article was published on 1972-01-01 and is currently open access. It has received 2655 citations till now. The article focuses on the topics: Phyletic gradualism & Punctuated gradualism.

read more

Citations
More filters

Artificial Worlds and Economics

David Lane
TL;DR: This working paper is included by permission of the contributing author(s) as a means to ensure timely distribution of the scholarly and technical work on a non-commercial basis.
Book ChapterDOI

Chapter 14 Tetrapod Mass Extinctions — A Model of the Regulation of Speciation Rates and Immigration by Cycles of Topographic Diversity

TL;DR: Community composition patterns are drawn for the Early permian of North America, the Late Permian and Triassic of South Africa, and the Early Cretaceous and Late Jurassic of NorthAmerica.
Journal ArticleDOI

Primate origins, human origins, and the end of higher taxa

TL;DR: When people learn that I study human evolution and the authors start talking about it, they sometimes ask me, “How long ago did the first humans live?” and it usually takes us a while to straighten things out.
Journal ArticleDOI

Measuring rates of phenotypic evolution and the inseparability of tempo and mode

TL;DR: In this paper, the authors show that rates are usefully thought of as model parameters that relate magnitudes of evolutionary divergence to elapsed time, and derive for each a reasonable rate metric.
Journal ArticleDOI

The history of texaco's corporate information technology function: a general systems theoretical interpretation

TL;DR: This work uses general systems theory (GST) to understand why the resources of Texaco's corporate information technology function consistently did not match its task during its 40-year lifetime.