Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 32, Problem 15PIAT
The image of the opossum skull shows that the ear bones are completely separated from the jawbone (as they are in all mammals). Pose a hypothesis to explain why this separation could be an adaptation that contributed to the radiation of mammals into diverse niches, including a nocturnal lifestyle.
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Chapter 32 Solutions
Biological Science (6th Edition)
Ch. 32 - True or false? Both echinoderms and vertebrates...Ch. 32 - 2. What trait(s) define(s) the vertebrates?
a....Ch. 32 - The two major lineages that make up the living...Ch. 32 - Most species of hominins are known only from...Ch. 32 - Mammals and birds are both endothermic. Which...Ch. 32 - MODEL Sketch a simple model of a generic chordate...Ch. 32 - 7. There is some evidence that pharyngeal slits...Ch. 32 - MODEL Draw a phylogeny of modem humans that would...Ch. 32 - 9. Consider the evolution of protostomes (Chapter...Ch. 32 - 10. MODEL Genetic diversity in living human...
Ch. 32 - Prob. 11PIATCh. 32 - CAUTION How is the opossum related to you? a. An...Ch. 32 - 13. Gene expression patterns can be used to test...Ch. 32 - 14. PROCESS OF SCIENCE Researchers studied mice...Ch. 32 - 15. The image of the opossum skull shows that the...Ch. 32 - Evolution often results in the co-option of a...
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- What are the key evolutionary adaptations that diving mammals use to survive at significant ocean depths?arrow_forwardWhat characteristics are shared between monotremes and placental mammals but not marsupials? What would this observation lead to conclude about the order in which these animals evolved?arrow_forwardWhich of the following characteristics are indicative of primates only? homodont teeth post-orbital bar/closure heterodont teetharrow_forward
- How do the fossils found at Coral Bluffs inform us about this diversification of the mammals?arrow_forwardAccording to the short film, “When We Tamed Fire”, which of the following hominins may have been the first to use fire to cook foods based on its physical adaptations? Group of answer choices Homo erectus Australopithicus afarensis Paranthropus Bosei Sahelanthropus Tchandensisarrow_forwardWhich of the following represent functions of the anatomical modifications toward more efficient bipedalism in hominins? Group of answer choices UV protection Brachiation Increased stride Shock absorption Balance Binocular vision Enchephalizationarrow_forward
- Which of the following statements about the hominoids is false?a. Hominoids include gorillas, chimpanzees, and humans.b. Hominoids have larger brains than other primates.c. Hominoids lack tails.d. Hominoids typically are bipedal and walk uprightarrow_forwardWhich of the following is a characteristic of mammals? homodont mammary glands scales ectothermicarrow_forwardWhat adaptive benefit do the three middle ear bones afford mammals? A) These bones helped to improve chewing, allow ancient mammals to diversify their diet. B) These bones improve hearing by allowing vibrations to be better picked up in air and the detection of higher frequencies. C) These bones allowed the detection of vibrations (hearing) for the first time in evolutionary history. D) These bones improve vision by providing an additional anchor point for the optic nerve.arrow_forward
- The larger eye sockets in the skulls of Acanthostega and Ichthyostega suggest that they were ______. living in extremely deep regions of the ocean where very little light would have penetrated using their eyes in air, where increasing eye size would have increased their visual range much more than in water relying on vision to escape the large predators swimming far above them in the oceanarrow_forwardHow does the need for dietary vitamin C show that humans are more closely related to other primates than to other mammals?arrow_forwardExplain the difference between generalized and specialized characteristics. What are examples of each in terms of the adaptive potential? Define the term “adaptive radiation” and explain why it is important to the principle of evolution. Why was adaptive radiation especially important to mammals’ eventual rapid evolutionary success and diversification? What are some of the different groups of mammals?arrow_forward
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