Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 25, Problem 4SQ
Summary Introduction
Concept introduction: Jawed vertebrates are those chordates that have jaw bones which perform the function of capturing prey and consuming food. The Class: Pisces includes animals that first evolved the jaw bones. The Pisces includes cartilaginous and bony fishes.
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It is thought that jaws, which are found in the higher vertebrates, evolved from:
a.
progressive hardening of the cyclostome mouth.
b.
cartilaginous arches used to support gills.
c.
small bones associated with the brain capsule.
d.
the bony teeth found on lamprey tongues.
A major difference between birds and other reptiles is that birdsa. produce a shelled egg. d. care for their young.b. are ectotherms. e. have air sacs.c. are tetrapods.
Members of Chondrichthyes are thought to be descended from fishes that had ________. a. a cartilaginous skeleton b. a bony skeleton c. mucus glands d. slime glands
Chapter 25 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Deathly Lamprey Repellent Predation by sea...Ch. 25 - Prob. 3DAACh. 25 - Prob. 4DAACh. 25 - Prob. 1SQCh. 25 - Which of the traits listed above are retained by...Ch. 25 - Vertebrate jaw banes evolved from ___ . a. gill...Ch. 25 - Prob. 4SQCh. 25 - Tetra pods evolved from ___ . a. sharks b....Ch. 25 - Turtles, Lizards, and birds belong to one major...
Ch. 25 - Prob. 7SQCh. 25 - Prob. 8SQCh. 25 - Prob. 9SQCh. 25 - Feathers and hair consist mainly of ___ . a....Ch. 25 - Prob. 11SQCh. 25 - ______ have scaleless skin and a heart with three...Ch. 25 - Prob. 13SQCh. 25 - Prob. 14SQCh. 25 - Arrange the groups in order in which they evolved....Ch. 25 - In 1798, a stuffed platypus specimen was delivered...Ch. 25 - Controlling forbody size, would you expect a...Ch. 25 - Why is it more difficult to determine the sex of a...Ch. 25 - Prob. 4CT
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- All chordates have a _______ as embryos. a. backbone b. jaws c. notochord d. kidneysarrow_forwardUnlike bony fishes, amphibians havea. ears. b. jaws. c. a circulatory system.d. a heart.arrow_forwardLobe-finned fishes are important because theya. were the first vertebrates.b. were the earliest animals.c. are closely related to tetrapods.d. lack jawsarrow_forward
- Segmentation, first seen in annelids, allows evolutionary advantages bya. allowing more fluid movement for less energy expense.b. specialization of segments to carry out different functions.c. allowing coelom development.d. concentrating sensory and nervous tissues and organs in the direction of motion.arrow_forwardAmphibians evolved from what type of ancestral fish?a. sea squirts and lancelets d. lobe-finned fishesb. ray-finned fishes e. jawless fishesc. cartilaginous fishesarrow_forwardWhale skeletons contain nonfunctional pelvic bonesa. as a result of convergent evolution.b. due to catastrophism.c. because whales evolved from ancestors that had hind legs.d. because the bones might be needed for a future adaptation.arrow_forward
- Which of the following is a derived trait of vertebrates? a. Jaws b. A mineralized (bony) skeleton c. Dorsal hollow nerve cord d. Skull and vertebrae e. All of the abovearrow_forwardVertebrates and tunicates share(A) jaws adapted for feeding.(B) a high degree of cephalization.(C) an endoskeleton that includes a skull.(D) a notochord and a dorsal, hollow nerve cordarrow_forwardWhich of the following statements about bilaterian animals is false? A. Many bilaterians are invertebrates but some are not. B. All bilaterians are triploblastic (have three germ layers). C. All bilaterians have bilateral symmetry. D. Most bilaterians have tissues but some do not.arrow_forward
- 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_forwardWhich one is NOT true about sharks? A. some sharks give live birth to babies with umbellical cords B. sharks are way more primitive than ray finned fish C. ancient sharks may have had bony tissue D. lateral lines in fish detect water pressure E. most sharks replace their teeth constantlyarrow_forwardWhich of the following is NOT a characteristic of all fish? A. aquatic life. B. gills as respiratory organs. C. presence of jaws. D. two-chambered heart. E. skin with scales.arrow_forward
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