BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 21.1, Problem 2LO
Summary Introduction
To determine: The way in which the climatic variation drives evolutionary changes in the medium ground finch.
Introduction: Gradual change in the heritable characteristics of species is known as evolution. The process of evolution is explained better by natural selection.
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Chapter 21 Solutions
BIOLOGY
Ch. 21.1 - Prob. 1LOCh. 21.1 - Prob. 2LOCh. 21.2 - Prob. 1LOCh. 21.2 - Distinguish between demonstrating that evolution...Ch. 21.3 - Contrast the processes of artificial and natural...Ch. 21.3 - Prob. 2LOCh. 21.4 - Prob. 1LOCh. 21.4 - Prob. 2LOCh. 21.4 - Prob. 3LOCh. 21.5 - Explain the evolutionary significance of...
Ch. 21.5 - Prob. 2LOCh. 21.6 - Prob. 1LOCh. 21.6 - Prob. 2LOCh. 21.7 - Characterize the criticisms of evolutionary theory...Ch. 21.7 - Prob. 2LOCh. 21 - Suppose that a male with a beak depth of 10 mm...Ch. 21 - Prob. 1IQCh. 21 - Prob. 2IQCh. 21 - Prob. 3IQCh. 21 - Why might the evolutionary line leading to...Ch. 21 - Artificial selection is different from natural...Ch. 21 - Gaps in the fossil record a. demonstrate our...Ch. 21 - The evolution of modern horses (Equus) is best...Ch. 21 - Homologous structures a. are structures in two or...Ch. 21 - Convergent evolution a. is an example of...Ch. 21 - Prob. 6UCh. 21 - The possession of fine fur in 5-month human...Ch. 21 - In Darwins finches, a. occurrence of wet and dry...Ch. 21 - Prob. 2ACh. 21 - Convergent evolution is often seen among species...Ch. 21 - What conditions are necessary for evolution by...Ch. 21 - Explain how data shown in figure 21.2a and b...Ch. 21 - Prob. 3SCh. 21 - Refer to figure 21.5, artificial selection in the...Ch. 21 - The ancestor of horses was a small, many-toed...
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- Compare the roles of reproductive isolation, geographic isolation, and competition in the speciation of Darwin's finches on the Galapagos Islands.arrow_forwardDescribe different navigational resources birds may use in long-distance migration.arrow_forwardExplain Measuring the heritability of bill depth in populations of Darwin’s finches?arrow_forward
- is it true that a difference in a beak shape among members of the same finch species is an example of variationarrow_forwardBelow is a phylogenetic tree of flightless birds. Which species is the common ancestor, with shared characteristics to the flightless birds shown below? A) Great spotted kiwi B) Chicken C) Ostrich D) Greater rheaarrow_forwardExplain the sexual dimotrphism in cockroaches.arrow_forward
- Explain why geographic variation in garter snake preychoice might indicate that the behavior evolved bynatural selection.arrow_forwardWhat effect did this second weather event have on the finch population and why?arrow_forwardIn the model shown below, discuss what kind of geographic barriers would have led to the finch speciation in the Galapagarrow_forward
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