BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 21.4, Problem 3LO
Summary Introduction
To determine: The evolutionary trends revealed by the study of horse evolution.
Introduction: The study of fossil reveals that the evolution of a horse is much more complex and multi-branched.
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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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- discuss three adaptive traits that enable camels to survive in arid environmental conditionsarrow_forwardWhich of the following is NOT a derived trait in primates? A. Claws B. Opposable fingers/toes C. Postorbital bar/plate D. Trichromacyarrow_forwardIt is estimated that of all the species that have ever lived, between 90% and 95% have become extinct. In addition to the horse, what other species of this family survive today?arrow_forward
- What are some of the similarities and differences between early processes of animal domestication and ongoing, contemporary processes of those same animals?arrow_forwardWrite brief note on Behavioural adaptations in animals.arrow_forwardMake a phylogenetic tree showing the speciation of dog and its important events.arrow_forward
- The retention of juvenile characteristics into adulthood is known as_______________ Examples of this are seen in some aquatics salamanders that retain ___________into adulthood, and domestic dogs that have been bred through artificial selection to keep juvenile characteristics such as____________ body size and relatively___________ eyes. This process is used to explain the close relationship between_________ and other chordates.arrow_forwardIdentify and explain the type of natural selection that accounts for the evolution of the hollow bones of birds, which make flight possiblearrow_forwardUsing various resources such as your school Library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal, say horse.arrow_forward
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