Biology (Mader), 10th Edition

Chapter 29: Vertebrate Evolution

Post-Test

1
Which of the following is not characteristic of chordates?
A)Bilateral symmetry
B)A tail
C)A ventral nerve cord
D)A true coelom
2
The pharyngeal pouches become functioning gills in the _____.
A)fish
B)invertebrate chordates
C)amphibian larvae
D)All of these
3
In vertebrates the nerve cord is protected by _____.
A)an exoskeleton
B)the vertebrae
C)organs which are dorsal to it
D)None of these
4
To be considered a chordate, an animal must have __________ at some time during its life history.
A)a notochord
B)a dorsal tubular nerve cord
C)pharyngeal pouches
D)All of these
5
The vertebrate skeleton _____.
A)is a living tissue which grows with the animal
B)protects internal organs
C)serves as a place of attachment for muscles
D)All of these
6
Both birds and mammals _____.
A)have efficient respiratory systems
B)have four chamber hearts
C)are endothermic
D)All of these
7
The order _____ includes humans.
A)Cetacea
B)Carnivora
C)Rodentia
D)Primates
8
Offspring that are born at a relatively advanced stage of development are associated with _____.
A)monotremes
B)marsupials
C)placental mammals
9
Mammals like the duckbill platypus and spiny anteater that lay hard-shelled eggs are called _____.
A)monotremes
B)marsupials
C)placental mammals
10
Mammals are distinguished from other vertebrates by their _____.
A)four chamber hearts
B)hair and milk-producing mammary glands
C)high metabolism
D)internal fertilization
11
Birds have a _____ chamber heart.
A)one
B)two
C)three
D)four
12
The reproduction of birds involves _____.
A)caring for fledglings until they are independent
B)the production of a leathery amniote egg
C)external fertilization
D)All of these
13
The ability of birds to fly is supported by their _____.
A)light, hollow bones
B)keel, to which strong muscles for flying can be attached
C)air sacs, which increase the amount of oxygen available to the muscles
D)All of these
14
A snake's olfactory organ _____.
A)opens at the roof of its mouth
B)is located at the tips of its tongue
C)analyzes sound waves
D)None of these
15
Fish classified as agnathans are _____ fish.
A)bony
B)jawless
C)cartilaginous
D)lobe-finned
16
The pectoral fins are greatly enlarged into a pair of winglike fins on _____.
A)rays
B)agnathans
C)sharks
D)hagfish
17
Amphibians diversified during the _____ period, which is known as the Age of Amphibians.
A)Jurassic
B)Cretaceous
C)Cambrian
D)Carboniferous
18
During _____ amphibians change from a form specialized for water dwelling to a form specialized for land dwelling.
A)regeneration
B)molting
C)metamorphosis
D)None of these
19
Amphibians use their skin for _____.
A)temperature regulation
B)discouragement of predators
C)respiration
D)All of these
20
Sharks and rays have a great ability to detect their prey because they _____.
A)can sense electric currents in the water
B)have a lateral line system
C)have a very good sense of smell
D)All of these
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