Animal Diversity 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073524255
ISBN 13: 978-0-07352-425-2

Chapter 1 - Review Questions: 12

Answer

Punctuated Equilibrium states that evolutionary change occurs through speciation, or relatively rapid bursts of change in a species. The speciation event is only a 'geological instant', taking up less than 1% of a species total existence. The Theory of Punctuated Equilibrium was proposed to explain discontinuous evolutionary changes observed throughout geological time.

Work Step by Step

Theory proposed to explain gaps in evolutionary chains; rapid bursts of change in species
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