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Microevolution and Macroevolution: Introduction

  1. Hilary S Callahan

Published Online: 16 MAY 2002

DOI: 10.1038/npg.els.0001717



How to Cite

Callahan, H. S. 2002. Microevolution and Macroevolution: Introduction. eLS. .

Author Information

  1. Barnard College, Columbia University, New York, USA

Publication History

  1. Published Online: 16 MAY 2002


Microevolution and macroevolution are terms for describing biological patterns and processes observed at short and long time scales, respectively. A deeper question is whether different biological processes account for microevolutionary and macroevolutionary change.


  • biodiversity;
  • natural selection;
  • palaeontology;
  • speciation;
  • systematics