Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 26, Problem 5RQ
Summary Introduction
To describe: The way in which the amniotes are more structurally or functionally suited for terrestriality than the anamniotes.
Introduction: In the late Paleozoic era, the amniotes came into existence and diversified. The clade Amniota includes mammals, reptiles, and birds. Amniotes are in close relation with anthracosaurs that is a group belonging to anamniotes. The anamniotes are vertebrates in which amnion is absent.
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Describe ways in which amniotes are more functionally or structur-ally suited for terrestriality than are anamniotes.
Describe amniote adaptations to life on land
Describe three adaptations that have allowed amniotes to become completely terrestrial.
Chapter 26 Solutions
Loose Leaf For Integrated Principles Of Zoology
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Ch. 26 - Prob. 11RQCh. 26 - Prob. 12RQCh. 26 - What is the function of the pit of pit vipers?Ch. 26 - Prob. 14RQCh. 26 - What is the difference in structure or location of...Ch. 26 - Prob. 16RQCh. 26 - Why are tuataras (Sphenodon) of special interest...Ch. 26 - Distinguish ornithischian and saurischian...Ch. 26 - Was the parental care of a dinosaur more like that...Ch. 26 - From which diapsid subgroup have crocodilians...Ch. 26 - How could changes in the environment affect...
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- What can be inferred about the evolution of the cranium and the vertebral column from examining hagfishes and lampreys?arrow_forwardDescribe the forams and actinopods, and explain why many biologists classify them in the rhizarian supergroup.arrow_forwardWhat traits in conodonts and ostracoderms are derived relative to those in hagfishes and lampreys?arrow_forward
- Members of Chondrichthyes differ from members of Osteichthyes by having a _______. a. jaw b. bony skeleton c. cartilaginous skeleton d. two sets of paired finsarrow_forwardExplain the relevance of amphioxus in the study of vertebrate anatomyarrow_forwardDescribe the distinguishing features of the major amniote classesarrow_forward
- How are the echinoderms significant to the marine environment? Relate at least three of their anatomical features that made them fitting for these purpose.arrow_forwardDescribe the phases of embryonic development in a chordate. Recognize the difference between a blastula and gastrula.arrow_forwardWhat is thought to be the function of the shell morphology in African pancake tortoise?arrow_forward
- Contrast the skeleton of an echinoderm with that of an arthropod.arrow_forwardOffer a description of an adult tunicate that would identify it as a chordate, yet distinguish it from any other chordate group.arrow_forwardWhich of the following statements is correct for all amniotes? A. They have internal fertilization, three embryonic membraes, are independent of water for reprodction B. They have external fertilization if they live in water, have alantoic membranes to carry oxygenated blood to the embryo, and lack a shell on their eggs. C. They lay eggs covered with a shell, are viviporous and have a marsupium D. They have an embryonic chorionic membrane that becomes part of the placenta, has cells with Golgi bodies,and a yolk sac E. They have three embryonic membranes, have notochords, and are ovoviviparous.arrow_forward
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