BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 34, Problem 5U
The ____ of the bony fish evolved to counter the effects of increased bone density.
a. gills
b. jaws
c. swim bladder
d. teeth
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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.
Lobe-finned fishes are important because theya. were the first vertebrates.b. were the earliest animals.c. are closely related to tetrapods.d. lack jaws
Vertebrate jaw bones evolved from____ . a. gill supports b. ribs c. scales d. ear bones
Chapter 34 Solutions
BIOLOGY
Ch. 34.1 - List the specific characteristics of echinoderms.Ch. 34.1 - Explain what is meant by pentaradial symmetry.Ch. 34.1 - Describe the five extant classes of echinoderms.Ch. 34.2 - List the defining characteristics of chordates.Ch. 34.2 - Prob. 2LOCh. 34.3 - Describe the nonvertebrate chordates and their...Ch. 34.4 - Prob. 1LOCh. 34.4 - Prob. 2LOCh. 34.5 - Prob. 1LOCh. 34.5 - Prob. 2LO
Ch. 34.6 - Prob. 1LOCh. 34.6 - Prob. 2LOCh. 34.7 - Prob. 1LOCh. 34.7 - Prob. 2LOCh. 34.7 - Prob. 3LOCh. 34.8 - Prob. 1LOCh. 34.8 - Prob. 2LOCh. 34.9 - Prob. 1LOCh. 34.9 - Prob. 2LOCh. 34.10 - Describe the characteristics and major groups of...Ch. 34.10 - Prob. 2LOCh. 34.10 - Prob. 3LOCh. 34 - Prob. 1IQCh. 34 - Prob. 2IQCh. 34 - Which of the following structures is not a...Ch. 34 - Which of the following statements regarding all...Ch. 34 - In the figure, item A is the ______ and item B is...Ch. 34 - Prob. 4UCh. 34 - The ____ of the bony fish evolved to counter the...Ch. 34 - Why was the evolution of the pulmonary veins...Ch. 34 - Which of the following groups lacks a...Ch. 34 - All of the following are characteristics of...Ch. 34 - Which of the following evolutionary adaptations...Ch. 34 - The reason that birds and crocodilians both build...Ch. 34 - Prob. 2ACh. 34 - The fact that monotremes lay eggs a. indicates...Ch. 34 - Prob. 1SCh. 34 - Some people state that the dinosaurs have not gone...Ch. 34 - In what respect is the evolutionary...
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- All chordates have a _______ as embryos. a. backbone b. jaws c. notochord d. kidneysarrow_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_forwardSegmentation, 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_forward
- Both cartilaginous and bony fishes have______ . a. jaws d. a swim bladder b. a bony skeleton e. a four-chambered heart c. lungs f. all of the abovearrow_forwardWhich adaptation makes it possible for an animal to live its whole life cycle on land? Group of answer choices A. jaws B. mammary glands C. amniotic eggs D. bony skeletonsarrow_forwardWhat is one trait related to locomotion that Au. sediba shares with modern humans? A. Angled femurs B. Longer arms and shorter legs C. Long and thin pelvis D. A divergent big toe (big toe sticks out)arrow_forward
- Amphibians evolved from what type of ancestral fish?a. sea squirts and lancelets d. lobe-finned fishesb. ray-finned fishes e. jawless fishesc. cartilaginous fishesarrow_forwardCharacteristics that evolved in birds to allow for flight includea. reptilian-like scales on the legs.b. a hard-shelled amniotic egg.c. internal fertilization.d. thin, hollow bones in the skeleton.arrow_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
- The first vertebrates to evolve werea. amphibians. d. amniotes.b. jawed fishes. e. reptiles.c. jawless fishes.arrow_forwardThe skull pictured here represents the species: A. Pongo pygmaeus B. Paranthropus boisei C. Homo Neanderthalensis D. Pan troglodytes E. Homo erectusarrow_forwardHominins naturally prefer which types of foods? a. bitter b. sweet and salty c. spicy d. tart and crunchyarrow_forward
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