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 2TYK
Summary Introduction
Introduction:
In the ocean, sharks are wonderful predators and also the most powerful organism. There are no bones found in sharks. They have good eyesight and special electroreceptor organs. They are found in the Southern Ocean, Atlantic Ocean, Arctic Ocean, Indian Ocean, and the Pacific Ocean.
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give the function of these shark parts.
1. pectoral fin
2. pelvic fin
3. anal fin
4. clasper
5. vent
6. precaudal pit
7. caudal keel
8. lower lobe
9. upper lobe
10. caudal fin
give the function of these shark parts.
1. mouth
2. snout
3. nostril
4. eye
5. spiracle
6. labial furrows
7. barbel
8. gill openings
9. spine
10. dorsal fin
What is a body structure that is found in Bony fish but not in Cartilaginous fish?
Teeth
Gills
Paired fins
Operculum
Scales
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 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_forwardMembers of Chondrichthyes differ from members of Osteichthyes by having (a). jaw bony skeleton cartilaginous skeleton two sets of paired finsarrow_forwardMembers of Chondrichfhyes are thought to be descended from fishes that had. a cartilaginous skeleton a bony skeleton mucus glands slime glandsarrow_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_forwardContrast the swimming of sharks with that of bony fishes.arrow_forwardFeeding and gas exchange in chordates is via pharyngeal gill slits. True False In tunicate larvae, the notochord is used to anchor the animal to the substrate. True False The madreporite located on the oral surface is to take water into the water vascular system. True Falsearrow_forward
- How different are the swimming strategies in osteichthyes and in chondrichthyes? Why do sharks need to agitate their body to swim while bony fishes do not?arrow_forwardEvolutionarily, the jaws of vertebrates developed from the circular mouth of lampreys. the third and fourth gill arches of primitive jawless fishes. the operculum. the claspers. the last gill arch of primitive jawless fishes.arrow_forwardWhat are two noticeable morphological differences between the sharks and ray-fin fishes? What is the main difference (not noticeable) between the sharks and ray-finned fishesarrow_forward
- Which group of Chordata maintains the vertebrate characteristics throughout life? Cephalochordata Urochordata Tigers Chondrichthyesarrow_forwardThe domesticated dog (Canis familiaris) belongs to which of the following chordate classes? class Chondrichthyes (the cartilaginous fishes) class Osteichthyes (the bony fishes) class Reptilia (the reptiles) class Amphibia (the amphibians) class Mammalia (the eutherian mammals)arrow_forwardWhich of the following structures are analogous? Cat legs: Dog legs Penguin fin: Pigeon wing Insect hairs: human hairs Crab mandible: scorpion cheliceraearrow_forward
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From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license