Name: 
 

Science Academic Quiz Bowl (6th Grade)



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

At some point in their lives, all chordates have a flexible supporting rod in their backs called a
a.
backbone.
b.
nerve cord.
c.
notochord.
d.
gill.
 

 2. 

Which of these is a phylum of worms?
a.
Porifera
b.
Cnidaria
c.
Invertebrate
d.
Annelida
 

 3. 

Of the following, which is NOT an amphibian?
a.
fish
c.
frog
b.
toad
d.
salamander
 

 4. 

What is the purpose of mammals' hair or fur?
a.
insulates the body from heat
c.
protection from wind and rain
b.
insulates the body from cold
d.
all of the these
 

 5. 

____ make up the largest group of arthropods.
a.
Arachnids
c.
Cephalopods
b.
Insects
d.
Cnidarians
 

 6. 

Tracking migrations helps to
a.
keep animals in one area.
b.
count caribou.
c.
capture tagged animals.
d.
understand and protect species.
 

 7. 

In placentals, the time of development from fertilization to birth is called the ____.
a.
monotreme period
c.
gestation period
b.
estivation period
d.
placental period
 

 8. 

Which is NOT a function of the exoskeleton?
a.
helps the body to move easily
c.
keeps the body from drying out
b.
protects the body
d.
supports the body
 

 9. 

An adaptation that helps amphibians move from place to place on land is
a.
eggs covered by jelly.
b.
moist skin.
c.
a strong skeleton.
d.
a transparent membrane that keeps the eyes from drying out.
 

 10. 

Diving is a type of flight that
a.
requires birds to flap their wings.
b.
always requires lift.
c.
does not require lift.
d.
uses rising currents of air.
 

 11. 

Of the following, which is NOT a characteristic of birds?
a.
maintain constant body temperature
c.
have feathers
b.
have wings
d.
give birth to live young
 

 12. 

Which of the following describes a roundworm’s digestive system?
a.
Food enters through a feeding tube.
b.
Food enters the body and wastes leave the body through the same opening.
c.
Food travels through the digestive system in two directions.
d.
The digestive system is like a tube that is open at both ends.
 

 13. 

What kind of learning did Pavlov demonstrate in dogs?
a.
imprinting
b.
instinct
c.
conditioning
d.
insight learning
 

 14. 

Which characteristic is NOT common to all mammals?
a.
Their young are fed with milk produced by organs in the mother’s body.
b.
Their hearts have four chambers.
c.
They are ectotherms.
d.
Their skin is covered with hair or fur.
 

 15. 

A bird’s nearly hollow bones help it to
a.
be lightweight in the air.
b.
deliver oxygen to its cells.
c.
store extra oxygen.
d.
defend itself against predators.
 

 16. 

What type of fish is a lamprey?
a.
an endothermic fish
b.
a jawless fish
c.
a cartilaginous fish
d.
a bony fish
 

 17. 

Of the following, which is NOT an echinoderm?
a.
lobster
c.
sea star
b.
sea urchin
d.
sand dollar
 

 18. 

An adult reptile can survive on dry land because its kidneys
a.
help support the weight of the reptile’s body.
b.
help the reptile obtain oxygen.
c.
keep the reptile’s skin from drying out.
d.
produce concentrated urine.
 

 19. 

A vertebrate is defined as having a ____.
a.
phylum
c.
nucleus
b.
backbone
d.
definite shape
 

 20. 

Which of the following is NOT a characteristic of animals?
a.
digest their food
b.
have many cells with different functions
c.
make their own food
d.
have eukaryotic cells
 

 21. 

A bivalve obtains food by
a.
filtering it from water.
b.
grabbing it with its muscular foot.
c.
using a radula.
d.
trapping it between two shells.
 

 22. 

What does metamorphosis mean?
a.
change of body size
c.
moving from water to land
b.
change of sex
d.
change of body form
 

 23. 

The first time a bird builds a nest, the bird builds the nest perfectly. This kind of behavior is an example of
a.
conditioning.
b.
behavior by instinct.
c.
trial-and-error learning.
d.
imprinting.
 

 24. 

Of the following, which is NOT a characteristic of marsupials?
a.
young crawl into mothers' pouches
c.
includes opossums and koalas
b.
give birth to tiny young
d.
lay eggs
 

 25. 

Differences in pressure above and below a bird’s wings cause a force called
a.
motion.
b.
gliding.
c.
flow.
d.
lift.
 

 26. 

To which phylum do vertebrates belong?
a.
Arthropoda
b.
Chordata
c.
Porifera
d.
Echinodermata
 

 27. 

Of the following, which is an endothermic vertebrate?
a.
garter snake
c.
leopard frog
b.
dolphin
d.
shark
 

 28. 

At the beginning of its life, a coral polyp
a.
has the medusa body plan.
b.
burrows into the mud on the ocean floor.
c.
feeds only on sponges.
d.
attaches to a solid surface.
 

 29. 

Newly hatched ducklings learn to follow their mother. This behavior is an example of
a.
imprinting.
b.
instinct.
c.
courtship behavior.
d.
migration.
 

 30. 

What kind of arthropod has exactly eight legs?
a.
centipede
c.
arachnid
b.
insect
d.
crustacean
 

 31. 

How does an echinoderm use its water vascular system?
a.
to capture food
b.
to defend itself from predators
c.
to reproduce
d.
to sense when food is near
 

 32. 

About 97 percent of all animal species are ____.
a.
vertebrates
c.
radially symmetrical
b.
invertebrates
d.
asymmetrical
 

 33. 

Of the following, which do all fish have?
a.
scales
c.
movable jaws
b.
gills
d.
fins
 

 34. 

Which of these is LEAST likely to be learned by studying animal fossils?
a.
whether the animals were invertebrates or vertebrates
b.
the approximate age of the fossils
c.
what type of skin the animals had when they were living
d.
how the animals changed over time
 

 35. 

Which arthropods have no antennae?
a.
insects
b.
crustaceans
c.
centipedes
d.
arachnids
 

 36. 

Members of this mollusk class have an internal plate instead of a shell.
a.
gastropods
c.
cephalopods
b.
bivalves
d.
none of the above
 

 37. 

A signal that causes an organism to react in some way is called a(n)
a.
stimulus.
b.
idea.
c.
message.
d.
response.
 

 38. 

Insect larvae are specialized for
a.
eating and growing.
b.
surviving in water.
c.
reproducing.
d.
breathing.
 

 39. 

A cat hisses when it sees a dog. The hissing is an example of
a.
a circadian rhythm.
b.
a stimulus.
c.
a response.
d.
courtship behavior.
 

 40. 

Dinosaurs were a major group of
a.
fish.
b.
birds.
c.
amphibians.
d.
reptiles.
 

 41. 

What does the backbone surround and protect in a vertebrate?
a.
vertebrae
b.
the heart and lungs
c.
the spinal cord
d.
the gill slits
 

 42. 

What does a cnidarian use to capture prey?
a.
stinging cells
b.
mouth
c.
collar cells
d.
pores
 

 43. 

Some birds swallow small stones, which help them to
a.
grind food.
b.
fly faster.
c.
get more oxygen.
d.
keep warm.
 

 44. 

Of the following, which is NOT a characteristic of mammals?
a.
produce milk
c.
have hair
b.
have feathers
d.
endotherms
 

 45. 

Of the following, which is an ectothermic vertebrate?
a.
trout
c.
rabbit
b.
turkey
d.
whale
 

 46. 

How does a sponge obtain its food?
a.
Collar cells filter the food from water.
b.
Spikes kill the food.
c.
Pores absorb the food.
d.
Jelly-like cells trap the food.
 

 47. 

What characteristic is used to classify a mammal as a monotreme, marsupial, or placental mammal?
a.
the structure of its brain
b.
how much hair or fur it has
c.
the environment in which it lives
d.
the way in which its young develop
 

 48. 

Which type of flight requires a bird to exert the most energy?
a.
diving
b.
flapping
c.
soaring
d.
gliding
 

 49. 

Which of the following is an advantage of using biological controls against harmful insects?
a.
They kill bees.
b.
They kill all the insects that threaten a farmer’s crop.
c.
They prevent all insect larvae from becoming adult insects.
d.
They are natural predators of the harmful insects.
 

 50. 

All arthropods have an external covering called the ____.
a.
mantle
c.
gills
b.
exoskeleton
d.
endoskeleton
 

 51. 

Earthworms grind soil in the ____.
a.
crop
c.
setae
b.
coelum
d.
gizzard
 

 52. 

Sponges belong to the phylum
a.
Porifera.
b.
Platyhelminthes.
c.
Cnidarian.
d.
Invertebrate.
 

 53. 

Cnidarians use their ____ to capture food.
a.
polyps
c.
tentacles
b.
larvae
d.
medusa
 

 54. 

Organisms that grow on or in other organisms are called
a.
hosts.
b.
prey.
c.
scavengers.
d.
parasites.
 

 55. 

Cnidarians and sponges have ____ layers of tissue; flatworms have ____ layers of tissue.
a.
two; two
c.
two; three
b.
three; three
d.
three; two
 

 56. 

The upward force on a bird’s wing causes the bird to
a.
fall.
b.
rise.
c.
speed up.
d.
turn.
 

 57. 

Major functions of animals include obtaining food and oxygen, keeping internal conditions stable, movement, and
a.
fertilization.
b.
classification.
c.
reproduction.
d.
adaptation.
 

 58. 

Amphibians are especially sensitive to changes in the environment because
a.
few amphibians have camouflage.
b.
their skin is delicate.
c.
their eggs are tough and leathery.
d.
they do well only in sunny areas.
 

 59. 

An animal has bilateral symmetry if
a.
one line can be drawn to divide the animal into halves that are mirror images.
b.
no lines can be drawn to divide the animal into halves that are mirror images.
c.
any line through the center of the animal divides it into halves that are mirror images.
d.
many lines can be drawn to divide the animal into halves that are mirror images.
 

 60. 

The bodies of cnidarians have
a.
no symmetry.
b.
both radial and bilateral symmetry.
c.
bilateral symmetry.
d.
radial symmetry.
 

 61. 

Cnidarians reproduce ____.
a.
only by budding
c.
only sexually
b.
asexually and sexually
d.
only asexually
 

 62. 

To get information about an animal with a metal band, the animal must be
a.
followed in a vehicle or airplane.
b.
recaptured.
c.
tracked with a radio receiver.
d.
tracked with a satellite.
 

 63. 

Of the following, which is NOT an adaptation made by reptiles to life on land?
a.
eggs with leathery shells
b.
open circulatory system
c.
exchange oxygen and carbon dioxide in lungs only
d.
thick, dry, waterproof skin
 

 64. 

____, the class that contains clams, is named for the two shells each member has.
a.
Cephalopods
c.
Bivalves
b.
Gastropods
d.
none of the above
 

 65. 

Which of these characteristics is shared by all worms?
a.
They are parasites.
b.
They live in soil.
c.
They have a brain.
d.
They have separate sexes.
 

 66. 

Which of the following is a benefit of living in a group?
a.
avoiding migration
b.
avoiding aggression
c.
increasing the number of prey available to hunt
d.
protection against predators
 

 67. 

Frogs hear with their ____.
a.
tongue
c.
nostrils
b.
lining of the mouth
d.
tympanum
 

 68. 

What is one way in which a reptile’s egg is adapted to survive on land?
a.
The embryo has an air tube to get oxygen directly from the air.
b.
The embryo’s skin keeps water in the egg.
c.
The egg has a hard, rigid shell.
d.
The egg has membranes that help keep the embryo moist.
 

 69. 

How do salmon locate the stream they migrate to?
a.
by the rate of current in the water
b.
by the light and sound in the water
c.
by the color and depth of the water
d.
by the scent and taste of the water
 

 70. 

Which method is used to track animals without having to follow them?
a.
radio tracking
b.
metal tags
c.
migration tracking
d.
satellite tracking
 

 71. 

In complete metamorphosis, the organism goes through ____ change(s) in body form.
a.
one
c.
three
b.
four
d.
two
 

 72. 

All chordates have a(n)____.
a.
notochord
c.
backbone made of bone
b.
exoskeleton
d.
backbone made of cartilage
 

 73. 

Dinosaurs are the earliest vertebrates known to have legs
a.
extending from the sides of their bodies.
b.
positioned directly beneath their bodies.
c.
with muscles that supported leaping movements.
d.
with claws that helped them to climb.
 

 74. 

Where do many birds store food that they are not ready to digest?
a.
in the air sacs
b.
in the gizzard
c.
in the crop
d.
in the stomach
 

 75. 

Frogs will spend a longer time as larvae if ____.
a.
enough food is available
c.
they are far away from land
b.
the water temperature is cool
d.
all of the above
 

 76. 

The function of the placenta is to
a.
keep an embryo inside its mother’s pouch.
b.
pass materials between the mother and an embryo.
c.
prevent an embryo from drying out.
d.
protect an embryo from heat and cold.
 

 77. 

Of the following, which is NOT a stage of incomplete metamorphosis?
a.
egg
c.
nymph
b.
adult
d.
pupa
 

 78. 

Which of these animals is a monotreme?
a.
duck-billed platypus
b.
whale
c.
mouse
d.
kangaroo
 

 79. 

Sponges reproduce ____.
a.
only asexually
c.
only by budding
b.
only sexually
d.
asexually and sexually
 

 80. 

What adaptation helps an ostrich survive in its environment?
a.
It uses its strong legs to run away from predators.
b.
It uses its broad bill to catch underwater animals.
c.
It uses its long neck to burrow into sand.
d.
It uses its large feathers to keep itself warm.
 

 81. 

As a bird’s wing moves forward through the air, the air pressure on the wing
a.
is less above the wing than beneath it.
b.
is equal above and below the wing.
c.
pushes the wing downward.
d.
is greater above the wing than beneath it.
 

 82. 

During cold winter months, amphibians ____.
a.
tongue
c.
estivate
b.
hibernate
d.
nostrils
 

 83. 

Which of the following is a characteristic of insects?
a.
two body sections
b.
four legs
c.
one pair of antennae
d.
three pairs of wings
 

 84. 

Most fishes reproduce by means of
a.
internal fertilization.
b.
external fertilization.
c.
asexual reproduction.
d.
budding.
 

 85. 

Which of the following statements is true of the feeding behavior of all snakes?
a.
They are carnivores.
b.
They strangle their prey.
c.
They inject venom through fangs.
d.
They chew their prey with sharp fangs.
 

 86. 

A mammal’s gestation period is the length of time
a.
between fertilization and birth.
b.
during which the mammal depends on its parents to bring it food.
c.
for which it drinks its mother’s milk.
d.
between egg-laying and hatching.
 

 87. 

Monotremes are unusual mammals because they ____.
a.
lay eggs
c.
have feathers
b.
live in trees
d.
have no hair
 

 88. 

How is a reptile egg different from an amphibian egg?
a.
It is covered with protective jelly.
b.
It must be kept in shallow water.
c.
It does not release carbon dioxide.
d.
It has a shell and internal membranes.
 

 89. 

What is the name of the upward force that enables a bird to fly?
a.
flight path
b.
air pressure
c.
lift
d.
gravity
 

 90. 

Which of these is NOT a characteristic of amphibians?
a.
no scales
c.
moist skin
b.
ectotherms
d.
live only on land
 

 91. 

Cephalopods move by
a.
crawling along on a muscular foot.
b.
clapping their shells together.
c.
using jet propulsion.
d.
moving their tentacles.
 

 92. 

Which of these is NOT a trait of segmented worms?
a.
body separated into segments
b.
have a body cavity that holds organs
c.
have large heads
d.
found in soil, freshwater, and saltwater
 

 93. 

What is the function of the drone in a honeybee society?
a.
to build and defend the hive
b.
to mate with queen bees from other hives
c.
to make honey from nectar
d.
to search for flower nectar
 

 94. 

Unlike most other types of ____, slugs do not have a shell.
a.
cephalopods
c.
gastropods
b.
bivalves
d.
none of the above
 

 95. 

Which of these is NOT a major kind of worm?
a.
a roundworm
b.
a segmented worm
c.
a silkworm
d.
a flatworm
 

 96. 

Reptiles breathe ____.
a.
through their skin
c.
through spiracles
b.
with lungs
d.
all of the above
 

 97. 

Which of these is a function of spikes in a sponge?
a.
to obtain oxygen
b.
to digest and distribute food
c.
to help the sponge reproduce
d.
protect the sponge’s body
 

 98. 

An arthropod’s tough outer covering is called
a.
an endoskeleton.
b.
an exoskeleton.
c.
armor.
d.
a mantle.
 

 99. 

What makes up a coral reef?
a.
the skeletons of both dead corals and living corals
b.
the skeletons of living corals
c.
from the jelly produced by living corals
d.
the skeletons of dead corals
 

 100. 

Insight learning is most common in
a.
carnivores.
b.
arthropods.
c.
primates.
d.
cnidarians.
 



 
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