Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 27.2, Problem 1TYK
Summary Introduction
Introduction:
Gill arch is also termed as ‘branchial arch’ or ‘visceral arch’. It is the cartilaginous or bony curved bar or bony loop on each side of the pharynx in fishes. It supports the gills of aquatic amphibians and fishes. Nine cartilaginous gill arches are seen in the primitive and modern jawless fishes, for example, Lampreys. These nine cartilaginous gill arches support 8-gill slits.
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Chapter 27 Solutions
Principles of Biology
Ch. 27.1 - Prob. 1CCCh. 27.1 - Which of the following is not a defining...Ch. 27.1 - Prob. 2TYKCh. 27.2 - Prob. 1BCCh. 27.2 - What features distinguish ray-finned fishes from...Ch. 27.2 - Prob. 2CCCh. 27.2 - Prob. 1TYKCh. 27.2 - Prob. 2TYKCh. 27.2 - Prob. 3TYKCh. 27.3 - Prob. 1CC
Ch. 27.3 - Prob. 2CCCh. 27.3 - Prob. 1TYKCh. 27.3 - Prob. 2TYKCh. 27.4 - What are the other critical innovations of...Ch. 27.4 - Prob. 2CCCh. 27.4 - Look ahead to Figure 33.2c. In what ways...Ch. 27.4 - Prob. 3CCCh. 27.4 - The membrane of the amniotic egg that serves as a...Ch. 27.4 - Prob. 2TYKCh. 27.4 - Prob. 3TYKCh. 27.4 - Prob. 4TYKCh. 27.5 - Prob. 1TYKCh. 27 - Prob. 1TYCh. 27 - The presence of a bony skeleton, an operculum, and...Ch. 27 - Prob. 3TYCh. 27 - Which clade does not include frogs? vertebrates...Ch. 27 - Prob. 5TYCh. 27 - The outermost membrane of the amniotic egg is the...Ch. 27 - Which characteristic qualifies lizards as...Ch. 27 - Prob. 8TYCh. 27 - Prob. 9TYCh. 27 - Prob. 10TYCh. 27 - Prob. 1CCQCh. 27 - Why arent all reptiles endothermic if both birds...Ch. 27 - A principle of biology is that all species (past...Ch. 27 - Prob. 1CBQCh. 27 - Prob. 2CBQ
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- Figure 15.33 Which of the following statements about common features of chordates is true? a. The dorsal hollow nerve cord is part of the chordate central nervous system. b. In vertebrate fishes, the pharyngeal slits become the gills. c. Humans are not chordates because humans do not have a tail. d. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.arrow_forwardFigure 29.3 Which of the following statements about common features of chordates is true? The dorsal hollow nerve cord is part of the chordate central nervous system. In vertebrate fishes, the pharyngeal slits become the gills. Humans are not chordates because humans do not have a tail. Vertebrates do not have a notochord at any point in their development; instead, they have a vertebral column.arrow_forwardFigure 15.24 Which of the following statements about the anatomy of a mollusk is false? a. Mollusks have a radula for scraping food. b. Mollusks have ventral nerve cords. c. The tissue beneath the shell is called the mantle. d. The mantle cavity contains hemolymph.arrow_forward
- Members of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glandsarrow_forwardDuring embryonic development, what features do we share with tunicates or lancelets?arrow_forwardWhat feature(s) separates a shark from a ray-finned fish? O All of the choices are correct distinctions O Gill slits versusoperculum O Internal versus external fertilization O No swim bladder versus swim bladder O Cartilage versus bonesarrow_forward
- Which of the following are jawless? Choose all that apply. O hagfish O lampreys O bony fishes O cartilaginous fishes O frogsarrow_forwardWhat characteristics is the ancestor of tetrapods thought to have had? Choose all that apply O lungs that evolved from air bladders Ofleshy fins that contained ossified bones the absence of a sacrum O gills and scalesarrow_forwardwhat is transverse septum in sharks? is it analogous to diaphram if not that what is the specific part in sharks body?arrow_forward
- What is a body structure that is found in Bony fish but not in Cartilaginous fish? Teeth Gills Paired fins Operculum Scalesarrow_forwardWhat are the differences and similarities of ribs of milkfish, shark, frog, turtle, chicken and cat. Please provide an explanation and illustration.arrow_forwardAn important evolutionary innovation and a major difference between the limbs of extant lobe-finned fish and extant tetrapods is: Select one: 1. The presence of lobes on the fish fins. 2. Retention of fin rays in tetrapod limbs. 3. Limbs of tetrapods have associated muscles. 4. Limbs are supported by a single basal bone in tetrapods 5. Attachment of the pelvic limbs to the vertebral column via the pelvis in tetrapods. Please explain in detail the correct options as well as the incorrect options.arrow_forward
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