Earth System History
4th Edition
ISBN: 9781429255264
Author: Steven M. Stanley
Publisher: MAC HIGHER
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Question
Chapter 19, Problem 1RQ
To determine
The ways in which mammals become modernized during the Neogene Period.
Expert Solution & Answer
Answer to Problem 1RQ
During the Neogene Period, the spread of grassy woodlands resulted in the evolution of many animal species. The evolution of animal species provided a way for mammals to become modernized during the Neogene Period.
Explanation of Solution
Many Neogene mammal groups became modernized because of the spread of grassy woodlands. Several herbivorous groups, such as antelope, cattle, and horses, evolved many species that were well adapted to withstand the external conditions. The adaptive features of evolved species included the ability to run long distance over open terrain and the presence of molar teeth that could withstand considerable wear from phytoliths.
The groups of rodents also increased as they were adapted for burrowing in open terrain. The diversification of herbivores in savannahs and woodlands promoted the success of fast-running carnivores. These carnivores such as hyenas, lions, cheetahs, and long-legged dogs were well adapted for attacking herbivores in open country.
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