Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 34, Problem 6IQ
Describe the 375-million-year-old “fishapod” fossil Tiktaalik. Is it considered to be a fish or a tetrapod?
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Students have asked these similar questions
The following image is from a scientific publication by paleontologist Niel Shubin, who was part of a team who discovered the earliest known tetrapod, Tiktaalik. What 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)? (Image from Shubin et al.,
2006).
Gyptolepis
Suriptens
Eusthenopteron
Panderichitys
Tta
Acanthostega
erpelon
Nothing can be concluded about the relationship
They are analogous structures
The structures are unrelated
They are homologous structures
Use the photo and fossil of this specimen (they are from the same species that was an ancestor to a modern class of tetrapods) to answer the following:
What class of tetrapod would you predict this specimen belongs to?
What features of the body make it resemble the class you provided?
What MAJOR ABILITY would this specimen lack that the class above would have?
What is the name of this type ancestral specimen?
What do fossil tetrapods tell us about the transition from water to land?
Chapter 34 Solutions
Study Guide for Campbell Biology
Ch. 34 - Name the animal shown in the following diagram and...Ch. 34 - Prob. 2IQCh. 34 - The following phylogenetic hypothesis shows the...Ch. 34 - a. List the derived characters of gnathostomes. b....Ch. 34 - a. What three lineages of lobe-fins survive today?...Ch. 34 - Describe the 375-million-year-old fishapod fossil...Ch. 34 - Identify the four extraembryonic membranes in the...Ch. 34 - Prob. 8IQCh. 34 - Prob. 9IQCh. 34 - a. List the derived characteristics of mammals. b....
Ch. 34 - Prob. 11IQCh. 34 - Starting from primates, list the increasingly...Ch. 34 - Prob. 2SYKCh. 34 - Prob. 3SYKCh. 34 - Prob. 1TYKFCh. 34 - Prob. 2TYKFCh. 34 - Prob. 3TYKFCh. 34 - Prob. 4TYKFCh. 34 - Prob. 5TYKFCh. 34 - Prob. 6TYKFCh. 34 - Prob. 7TYKFCh. 34 - Prob. 8TYKFCh. 34 - Prob. 9TYKFCh. 34 - Prob. 10TYKFCh. 34 - Pharyngeal slits appear to have functioned first...Ch. 34 - Prob. 2TYKCh. 34 - Prob. 3TYKCh. 34 - Prob. 4TYKCh. 34 - Prob. 5TYKCh. 34 - Prob. 6TYKCh. 34 - Prob. 7TYKCh. 34 - Non-bird reptiles have much lower caloric needs...Ch. 34 - Prob. 9TYKCh. 34 - Prob. 10TYKCh. 34 - Prob. 11TYKCh. 34 - Prob. 12TYKCh. 34 - Prob. 13TYKCh. 34 - It is thought that feathers first arose as a means...Ch. 34 - Prob. 15TYK
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- How can we explain that fossils of Mesosaurus an extinct reptile that could not swim across open water, are found in the southern parts of both Africa and South America?arrow_forwardWhich of the following could be considered the most recentcommon ancestor of living tetrapods?(A) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrialvertebrates(B) an armored, jawed placoderm with two pairs of appendages(C) an early ray-finned fish that developed bony skeletalsupports in its paired fins(D) a salamander that had legs supported by a bony skeletonbut moved with the side-to-side bending typical of fishesarrow_forwardWhat differences in morphology among Osteolepiformes (Eusthenopteron), Tiktaalik, and Ichthyostega. tell us about the transition from an aquatic to a terrestrial lifestyle?arrow_forward
- What are examples of the following groups of vertebrates: Chondrichthyes, Actinopterygii, Actinistia, Dipnoi, and Tetrapoda? How many species are in each of the above groups? Which one has the most species? When did the first vertebrates appear, and when did they first live on land? Where do we find the earliest fossils of vertebrates, and where do we find the earliest fossils of terrestrial (land-living) vertebrates? What are the following and how are they related to humans: Pongo, Gorilla, Pan, Sahelanthropus, Ardipithecus, Australopithecus, Homo erectus, and Homo neanderthalensis? Which of these is our closest living relative? What are some of the traits that these organisms share with us? When and where did each of the extinct forms above live? What does this tell us about when our lineage split from the most recent ancestor we share with our closest living relative?arrow_forwardWhat is the possible reason why some cnidarians had evolved to a stony skeleton? plz include citationsssarrow_forwardseveral tetrapod lineages dont have legs. a) name 3 lineages of legless tetrapods b) why do we refer to these lineages as tetropodsarrow_forward
- Describe any four lines of evidence for evolution of early tetropods from fish.arrow_forwardWhich of the following taxa of fish shared most direct common ancestry with the group of animals that evolved into the terrestrial tetrapods? -Subclass Elasmobranchii -Class Neopterygii -Subclass Sarcopterygii -Class Actinopterygii -Class Chondrichthyesarrow_forwardCan fossils bridge the evolutionary gap between fish and tetrapod vertebrates?arrow_forward
- In what important ways did invertebrate life change between Ordovician time and Devonian time?arrow_forwardWhich of the following is true about the phylogeny of birds and reptiles. Question 35 options: a) Birds are more closely related to amphibians then they are to reptiles. b) Birds are a type of reptile, but are not related to dinosaurs. c) Birds and reptiles are the least related vertebrates. d) Birds are a type of reptile and are descended from a group of dinosaurs.arrow_forwardLampreys Sharks Lungfish Amphibians Land vertebrates Tetrapoda Choanata Fingers and toes What is the diagram above called? Ostelchthyes Choanae Gnathostomata Bony ribs and shoulder girdle Vertebrata Jaws Vertebrae Ray-finned fisharrow_forward
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