Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 29, Problem 19RQ
The evolution of which of the following features of mammals is hardest to trace through the fossil record?
- Jaw structure
- Mammary glands
- Middle ear structure
- Development of hair
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Chapter 29 Solutions
Biology 2e
Ch. 29 - Figure 29.3 Which of the following statements...Ch. 29 - Figure 29.22 Which of the following statements...Ch. 29 - Figure 29.24 Members of the order Testudines have...Ch. 29 - Which of the following is not contained in phylum...Ch. 29 - Which group of invertebrates is most closely...Ch. 29 - Hagfish. lam preys. sharks, and tuna are all...Ch. 29 - Members of Chondrichthyes differ from members of...Ch. 29 - Members of Chondrichfhyes are thought to be...Ch. 29 - A marine biologist catches a species of fish she...Ch. 29 - Which of the following is not true of...
Ch. 29 - Frogs belong to which order? Anura Urodela Caudata...Ch. 29 - During the Mesozoic period, diapsids diverged...Ch. 29 - Squamata includes. crocodiles and alligators...Ch. 29 - Which of the following reptile groups gave rise to...Ch. 29 - A bird or feathered dinosaur is. Neornithes...Ch. 29 - Which of the following feather types helps to...Ch. 29 - Eccrine glands produce sweat lipids scents milkCh. 29 - Monotremes include: kangaroos koalas bandicoots...Ch. 29 - The evolution of which of the following features...Ch. 29 - Which of the following is not an anthropoid?...Ch. 29 - Which of the following is part of a clade believed...Ch. 29 - Which of the following human traits is not a...Ch. 29 - What are the characteristic features of the...Ch. 29 - What is the structural advantage of the notochord...Ch. 29 - What can be inferred about the evolution of the...Ch. 29 - Why did gnathostomes replace most agnathans?Ch. 29 - Explain why frogs are restricted to a moist...Ch. 29 - Describe the differences between the larval and...Ch. 29 - Describe how metamorphosis changes the structures...Ch. 29 - Describe the functions of the three extraembryonic...Ch. 29 - What characteristics differentiate lizards and...Ch. 29 - Based on how reptiles therm oregulate, which...Ch. 29 - Explain why birds are thought to have evolved from...Ch. 29 - Describe three skeletal adaptations that allow for...Ch. 29 - How would the chest structure differ between...Ch. 29 - Describe three unique features of the mammalian...Ch. 29 - Describe three characteristics of the mammalian...Ch. 29 - How did the evolution of jaw musculature allow...Ch. 29 - How did archaic Homo sapiens differ from...Ch. 29 - Why is it so difficult to determine the sequence...
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- The evolution of which of the following features of mammals is hardest to trace through the fossil record? a. Jaw structure b. Mammary glands c. Middle ear structure d. Development of hairarrow_forwardWhat does the image say about the bones in the fins of fish (on the left side) when compared to the bones in their tetrapod ancestors (on the right side)? They are homologous structures Nothing can be concluded about the relationship They are analogous structures The structures are unrelatedarrow_forwardHuman bipedalism is associated with skeletal structure adaptations that are distinct from the skeletal structures of other primates. Classify each of the anatomical characteristics as belonging to either humans or chimpanzees. wide foot S-shaped spine Chimpanzees narrow pelvis Answer Bank central-positioned foramen magnum forward-shifted foramen magnum curved spine Humans narrow foot broad pelvisarrow_forward
- All of the following are taxonomic traits that distinguish mammals from the other vertebrates in the Linnean taxonomy EXCEPT... Group of answer choices warm blooded give live birth (placental birth) mammary glands hair/hair follices breathing oxygenarrow_forwardName two traits that primates have that are modified from an ancestral mammalian form (consider: what traits differentiate primates from other mammals due to their specialized adaptations within the arboreal ecological niche).arrow_forwardAll of the following are traits of vertebrate species, EXCEPT: The presence of a dorsal nerve cord. The presence of gill slits. The presence of a notochord. The absence of a backbone. The presence of a muscular tail exiting beyond the anus. All of the answers are traits of vertebrate species.arrow_forward
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- Explain the significance of the discovery of Archaeopteryx. Why did this fossil demonstrate beyond reasonable doubt that birds are grouped phylogenetically with dinosaurs?arrow_forwardDiscuss the traits in the body (not head/skull) that define Primates and set them apart from other mammal groups.arrow_forwardMammals have a particularly good sense of earing thanks to their inner ear which includes three tiny bones. Reptiles, in contrast, have a single inner ear bone. The lower jaw of reptiles is composed of multiple bones while the lower jaw of mammals is a single bone. Fossil and developmental evidence indicate that the inner ear bones of mammals evolved from lower jawbones. This suggests that the inner ear bones of mammals are Mammal skull, including ear bones eardrum Reptile skull, including ear bone eardrum Oa transitional trait a vestigial structure a living fossil an exaptation an analogy MacBook Air DII DD F2 F3 F4 F5 F6 F7 F8 F9 F10 FV 23 24 % & 3 4. 6 7 8 U D F G H J K ~の * 00 O OOarrow_forward
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