Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 22.4, Problem 3R
Summary Introduction
To review:
The reason behind the fact that narrow hybrid zones between Bombina bombina and B.variegata do not get wider over time.
Given:
The figure given below shows hybrid zone between B. bombina and B. variegata, which is shown in red.
Introduction:
B. bombina (fire-bellied toad) inhabits eastern Europe and B. variegata (yellow-bellied toad) inhabits western and southern Europe. The ranges of two species do overlaps in a narrow zone where these species hybridize forming a hybrid zone.
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Life: The Science of Biology
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