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Multiple Choice Quiz
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1
The phyla Echinodermata and Chordata contain the _____.
A)protostomes
B)deuterostomes
2
Which of the following is an example of an echinoderm?
A)octopus
B)tunicate
C)shrimp
D)sea cucumber
3
Echinoderms have _____.
A)hydrostatic skeletons
B)exoskeletons
C)endoskeletons
4
Adult echinoderms have _____ symmetry.
A)radial
B)bilateral
5
Sea urchins and sand dollars use their spines for _____.
A)burrowing
B)locomotion
C)defense
D)all of the above
6
Sea stars have a _____ that performs digestion.
A)gastrovascular cavity
B)tube with in a tube
7
Each arm of a sea star _____.
A)contains gonads
B)has alight-sensitive eyespot at the tip
C)contains a pair of digestive glands
D)all of the above
8
A sea star can evert its cardiac stomach and push it through the shells of a bivalve.
A)True
B)False
9
If you cut a sea star in half _____.
A)it will die
B)each half will become a whole sea star
10
Locomotion in sea stars depends on the water vascular system.
A)True
B)False
11
A sea star's tube feet _____.
A)enable it to move
B)help it pull the shells of bivalves open
C)perform gas exchange
D)all of the above
12
Which of the following systems is present in a sea star?
A)respiratory
B)excretory
C)water vascular
D)circulatory
13
Echinoderms have a well-developed coelom.
A)True
B)False
14
The madreporite, stone canal, ring canal, radial canals and lateral canals are all parts of the _____ system.
A)water vascular
B)digestive
C)excretory
D)reproductive
15
Class Crinoidea includes the _____.
A)sea lilies
B)sea cucumbers
C)feather stars
D)both A and C
16
The invertebrate chordates are most closely related to the _____.
A)annelids
B)cnidarians
C)echinoderms
D)molluscs
17
Which of the following is not characteristic of chordates?
A)bilateral symmetry
B)a tail
C)a ventral nerve cord
D)a true coelom
18
The notochord is an embryonic structure which becomes the vertebral column during development in vertebrates.
A)True
B)False
19
The pharyngeal pouches become functioning gills in the _____.
A)fish
B)invertebrate chordates
C)amphibian larvae
D)all of the above
20
In vertebrates the nerve cord is protected by _____.
A)an exoskeleton
B)the vertebrae
C)organs which are dorsal to it
D)none of the above
21
Lancelets retain the three chordate characteristics as adults.
A)True
B)False
22
The invertebrate chordates are marine animals.
A)True
B)False
23
The only chordate characteristic present in adult tunicates is _____.
A)a tail
B)a notochord
C)a dorsal nerve cord
D)gill slits
24
To be considered a chordate an animal must have __________ at some time during its life history.
A)a notochord
B)a dorsal hollow nerve cord
C)pharyngeal pouches
D)all of the above
25
All chordates are vertebrates.
A)True
B)False
26
The evolution of jaws allowed some vertebrates to take up a predatory way of life.
A)True
B)False
27
Vertebrates are chordates.
A)True
B)False
28
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 the above
29
The vertebrae give evidence that vertebrates are segmented.
A)True
B)False
30
Vertebrates have a _____ circulatory system.
A)open
B)closed
31
Vertebrates are characterized by _____.
A)bilateral symmetry
B)a complete digestive tract
C)a large, well-developed coelom
D)all of the above
32
Fish classified as agnathans are _____ fish.
A)bony
B)jawless
C)cartilaginous
D)lobe-finned
33
The jawless fish lack a bony skeleton.
A)True
B)False
34
An example of a cartilaginous fish is a _____.
A)shark
B)hagfish
C)trout
D)seahorse
35
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 the above
36
The largest sharks are filter feeders not predators.
A)True
B)False
37
The pectoral fins are greatly enlarged into a pair of winglike fins on _____.
A)rays
B)skates
C)sharks
D)both A and B
38
The most successful and diverse vertebrates are the _____.
A)cartilaginous fish
B)reptiles
C)mammals
D)ray-finned fish
39
Bony fish _____.
A)have a skeleton of cartilage
B)have a swim bladder
C)perform internal fertilization and development
D)all of the above
40
The coelacanth is a lobe-finned fish once thought to be extinct.
A)True
B)False
41
Comparisons of mitochondria DNA suggest that _____ are the closest living relatives of modern amphibians.
A)lungfishes
B)coelacanths
C)sharks
D)hagfish
42
The _____ fish have fleshy fins supported by central bones.
A)jawless
B)cartilaginous
C)lobe-finned
D)ray-finned
43
The limbs of a lobe-finned fish contain the same bones as those in an early amphibian.
A)True
B)False
44
Amphibians diversified during the _____ period which is known as the Age of Amphibians.
A)Jurassic
B)Cretaceous
C)Cambrian
D)Carboniferous
45
One hypothesis about the evolution of amphibians suggests that lobe-finned fish were lured onto land by a large supply of food and the absence of predators.
A)True
B)False
46
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 the above
47
Salamanders and newts are _____.
A)herbivores
B)parasites
C)producers
D)carnivores
48
Fish have a _____ chamber heart.
A)two
B)three
C)four
D)none of the above
49
Amphibians use their skin for _____.
A)temperature regulation
B)discouragement of predators
C)respiration
D)all of the above
50
Poison-dart frogs depend on warning coloration to discourage their predators.
A)True
B)False
51
Oxygenated and deoxygenated blood mix in the single ventricle of amphibians.
A)True
B)False
52
Amphibians exchange gases with _____.
A)relatively small lungs
B)gills
C)thin moist skin
D)all of the above
53
Amphibians and reptiles are _____.
A)ectothermic
B)homeothermic
54
The reproduction of reptiles is not dependent on water because they _____.
A)practice internal fertilization
B)produce an amniote egg
C)both A and B
55
The protective skin of reptiles _____.
A)prevents water loss
B)requires several molts a year
C)is keratinized
D)all of the above
56
Reptilian lungs are larger and more developed than those of amphibians.
A)True
B)False
57
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 the above
58
The _____ of reptiles makes them well adapted to living on land.
A)keratinized skin
B)amniote egg
C)internal fertilization
D)all of the above
59
Reptiles survive on a fraction of the food-per-body-weight required by birds and mammals because of their ectothermic nature.
A)True
B)False
60
Birds' beaks and foot types correlate with their habitat and behavior as exemplified by _____.
A)birds of prey with webbed toes and broad bills
B)shorebirds with long slender probing bills and long stiltlike legs
C)songbirds with notched beaks and sharp talons
D)woodpeckers with wings modified as paddles
61
Birds' feathers are actually modified reptilian scales.
A)True
B)False
62
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 the above
63
Birds are ectothermic.
A)True
B)False
64
The high body temperature of birds is maintained by _____.
A)their down feathers
B)their high metabolism
C)both A and B
65
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 the above
66
Birds have well-developed sense organs and nervous system to support flying.
A)True
B)False
67
Birds have a _____ chamber heart.
A)one
B)two
C)three
D)four
68
Mammals are believed to have evolved from _____.
A)birds
B)amphibians
C)therapsids
D)lobe-finned fish
69
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
70
Order Lagomorpha includes the herbivorous _____.
A)rabbits
B)hares
C)pikas
D)all of the above
71
Mammals like the duckbill platypus and spiny anteater that lay hard shelled eggs are called _____.
A)monotremes
B)marsupials
C)placental mammals
72
Today, most marsupials are found in Australia.
A)True
B)False
73
Offspring that are born at a relatively advanced stage of development is associated with _____.
A)monotremes
B)marsupials
C)placental mammals
74
The order _____ includes humans.
A)Cetacea
B)Carnivora
C)Rodentia
D)Primates
75
The number of mammalian species is small compared to the number of molluscs.
A)True
B)False
76
Both birds and mammals _____.
A)have efficient respiratory systems
B)have four chamber hearts
C)are endothermic
D)all of the above





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