Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 30, Problem 8TYU
Summary Introduction
Concept introduction: Animal phylogeny is the rapidly changing field. Biologists mostly depend on the fossils to compare the similarities of body plan and the pattern of development to determine the evolutionary relationships among various animal groups. Throughout evolutionary history, there are various changes seen in body plans. These changes in the body plan provide clues to animal relationships.
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what do fossils tell us about the evolutionary history of the animal kingdom?
Draw the phylogenetic tree, label all of the living things and the traits that characterize them directly on the tree.
Living thing
Vertebrae
Bony
Skeleton
4
Limbs
Amniotic
Egg
Hair
2 post-orbital fenestrae
Amphibians
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Crocodiles
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Dinosaurs
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Primates
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Rays
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Rodents
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Sharks
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Based on phylogeny and history of evolution, do new anatomical features such as lungs (amphibians) arise de novo or came from pre-existing structures of their ancestors (like gills of fish)? Explain.
Chapter 30 Solutions
Biology (MindTap Course List)
Ch. 30.1 - Prob. 1LOCh. 30.1 - Prob. 1CCh. 30.2 - Compare the advantages and disadvantages of life...Ch. 30.2 - What are some advantages of marine environments...Ch. 30.2 - Prob. 2CCh. 30.3 - Prob. 3LOCh. 30.3 - Prob. 1CCh. 30.3 - Prob. 2CCh. 30.3 - Prob. 3CCh. 30.4 - Describe how biologists use morphology (including...
Ch. 30.4 - Cite specific examples of how data from molecular...Ch. 30.4 - Prob. 1CCh. 30.4 - What are some differences between protostomes and...Ch. 30.4 - Prob. 3CCh. 30 - Which of the following is not a characteristic of...Ch. 30 - Which of the following is not an adaptation to...Ch. 30 - The Cambrian radiation (a) occurred during the...Ch. 30 - The germ layer that gives rise to the outer...Ch. 30 - Prob. 5TYUCh. 30 - Prob. 6TYUCh. 30 - Prob. 7TYUCh. 30 - Prob. 8TYUCh. 30 - Prob. 9TYUCh. 30 - Prob. 10TYUCh. 30 - Prob. 11TYUCh. 30 - EVOLUTION LINK Examine the cladogram in Figure...Ch. 30 - Prob. 13TYUCh. 30 - Prob. 14TYU
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- Test Your Understanding 7.Which of the following is true of mammals? (a) they evolved from saurischian dinosaurs (b) they are exotherms (c) they have hair and three middle ear bones (d) mammalian embryos do not have an amnion (e) they all bear their young alive (do not lay eggs).arrow_forwardWith evolution and multicellularity in mind, list two characteristics that may have been common to the first animals.arrow_forwardArchaeopteryx is a significant fossil find because it gave hints to the evolution of the following organisms: a) Lobe-finned fish b) Amphibians c) Reptiles d) Birdsarrow_forward
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