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 20.6, Problem 1R
Summary Introduction
To review:
The hypothesis supporting the reason for the presence of no giant insects on the earth at present.
Introduction:
During the prehistoric times, the insects ruled the earth when its atmosphere was rich in oxygen. After the evolution of birds, the size of insects decreased due to certain factors despite the increased levels of oxygen. At present, insects with a small size can be easily seen and no giant insect is found to be living on the earth.
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Life: The Science of Biology
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