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2025 Zoology Final Exam Review Questions

Total questions: 126

Worksheet time: 1hrs 4mins

Name
Class
Date
1.

Zoology is the study of ____.

a)

animals

b)

bacteria

c)

plants

d)

fungi

e)

All living things

2.

Animal cells are ____ because they ____.

a)

Eukaryotic ... Have a nucleus

b)

Eukaryotic ... Lack a nucleus

c)

Prokaryotic ... Have a nucleus

d)

Prokaryotic ... Lack a nucleus

3.

According to this cladogram, sharks are MOST closely related to which organism?

a)

Amphibians

b)

Ray finned fish

c)

crocodiles

d)

Amphibians

4.

What are in these pictures

a)

fish cells

b)

choanocytes

c)

amoebocytes

d)

pinacocytes

5.

What type of symmetry does this organism have?

a)

Asymmetry

b)

Radial symmetry

c)

Bilateral symmetry

d)

Quadrilateral symmetry

6.

Which body form is represented by this diagram?

a)

Mesoglea

b)

Medusa

c)

Moses

d)

Nematocyst

e)

Polyp

7.

Which type of symmetry is characteristic of flatworms and roundworms?

a)

Bilateral symmetry

b)

Radial symmetry

c)

Asymmetry

d)

Anterior symmetry

8.

Phylum Annelida includes all ____.

a)

Segmented worms

b)

Roundworms

c)

Flatworms

d)

Velvet worms

9.

All arthropods are ____ because they have a(n) ____.

a)

Invertebrates ... Exoskeleton

b)

Invertebrates ... Endoskeleton

c)

Vertebrates ... Exoskeleton

d)

Vertebrates ... Endoskeleton

10.

All arthropods have ____.

a)

Bilateral symmetry

b)

Radial symmetry

c)

Asymmetry

d)

Anterior symmetry

11.

Arthropods have metamerism, meaning ____.

a)

Their body is segmented

b)

They can only reproduce sexually

c)

They have an endoskeleton

d)

Their body has 3 tissue layers

12.

The carapace is the part of a crayfish's exoskeleton to cover and protect the

a)

head

b)

thorax

c)

abdomen

d)

cephalothorax

13.

What does echinoderm mean?

a)

Scaly skin

b)

Spiny skin

c)

bumpy skin

d)

rough skin

14.

Echinoderms have a(n) ____ made of ____.

a)

Endoskeleton ... Ossicles

b)

Endoskeleton ... Bones

c)

Exoskeleton ... Chitin

d)

Exoskeleton ... Keratin

15.

The structure that is pinned in the image below is the opening to the ______ system.

a)

water vascular system

b)

digestive

c)

reproductive

d)

excretory

16.

Which letter best represents the location of the stomach in a dogfish shark?

a)

E

b)

C

c)

B

d)

F

17.

Reptiles are

a)

Cold-blooded vertebrates

b)

Cold-blooded invertebrates

c)

Warm-blooded vertebrates

d)

Warm-blooded invertebrates

18.

Turtles, lizards, snakes and crocodiles are all examples of what class?

a)

Amphibians

b)

Reptiles

c)

Birds

d)

Mammals

19.

Which class do birds belong to?

a)

Anura

b)

Aves

c)

Squamata

d)

echinoderms

20.

Reptiles belong to which class?

a)

Aves

b)

Reptilia

c)

Osteichthyes

d)

Amphibia

21.

Which two organisms have hair?

a)

Sharks & Ray finned fish

b)

Primates & Rodents

c)

Birds & Crocodiles

d)

Rabbits & Birds

22.

According to this cladogram, birds are LEAST related to:

a)

Amphibians

b)

Sharks

c)

Ray finned fish

d)

Crocodiles

23.

What is the structure the arrow is pointing to?

a)

tentacles

b)

fins

c)

fingers

d)

arms

24.

Animals with a backbone are known as_____.

a)

Vertebrates

b)

Invertebrates

c)

Acoelomate

d)

Coelomate

25.

An organism that can be equally divided down its length into similar right and left halves has _____.

a)

Asymmetry

b)

Bilateral symmetry

c)

Radial symmetry

26.

The largest and least specific group within the taxonomic hierarchy is the _____.

a)

Phylum

b)

Kingdom

c)

Domain

d)

Class

27.

Observe the table. According to this table, which organism is most closely related to the coyote?

a)

Gray wolf

b)

Red fox

c)

Hyena

d)

Leopard

28.

Use this cladogram to select the trait(s) that a frog and perch have in common.

a)

Exoskeleton, mandibles, antennae

b)

Bilaterally symmetrical ancestor and jaws

c)

Tetrapod and Terrestrial during all life stages

d)

Mammary glands, hair and Bipedal, opposable thumbs

29.

Select the taxa that have an exoskeleton, mandibles, and antennae.

a)

Rat and Human

b)

Perch and Frog

c)

Crayfish and Grasshopper

30.

Which taxon would be the closest relative of the pigeon?

a)

Crayfish

b)

Perch

c)

Rat

d)

Human

31.

Phylum Porifera includes all ____.

a)

Sponges

b)

Protozoa

c)

Sea anemones

d)

Jellyfish

32.

Sea sponges are among the only animals that ___.

a)

Are asymmetrical

b)

Are radially symmetrical

c)

Have an endoskeleton

d)

Have an exoskeleton

33.

The large circular openings visible at the top of these sponges are called ____.

a)

Canals

b)

Oscula (singular - osculum)

c)

Ostia (singular - ostium)

d)

Spongocoel

34.

Below, you can see a microscopic image of the sharp, needle-like skeleton of some sponges. They are called _____.

a)

Collagen

b)

Ostia

c)

Spongin

d)

Spicules

35.

What type of symmetry do cnidarians have?

a)

Asymmetrical

b)

Radial

c)

Bilateral

36.

Segmented worms are also named because their bodies are divided into similar, repeated segments. This characteristic is known as ____.

a)

Metamerism

b)

Cephalization

c)

Tagmatization

d)

Mesodermic

37.

Segmented worms respire by ____.

a)

Exchanging gases across their moist skin

b)

Using lungs to exchange gases

c)

Using gills to extract oxygen from water

d)

Using small tubes called tracheae that run throughout their body

38.

Refer to the image below. The structure that is included in the black box and pointed to by the black arrow is called the ____.

a)

Clitellum

b)

Parapodium

c)

Cilium

d)

Gizzard

39.

All mollusks have ____.

a)

Bilateral symmetry

b)

Radial symmetry

c)

Asymmetry

d)

Anterior symmetry

40.

Identify the correct name for "F".

a)

tentacles

b)

Siphon

c)

fins

d)

eye

41.

Which characteristic gives this phylum the name "Echinodermata"?

a)

Having spiny skin

b)

Having tube feet

c)

Having no backbone

d)

Having a water vascular system

42.

Select the correct order of the structures in the water vascular system from beginning to end.

a)

Madreporite ... Radial canal ... Ampullae ... Stone canal ... Ring canal ... Tube feet

b)

Madreporite ... Stone canal ... Ring canal ... Radial canal ... Ampullae ... Tube feet

c)

Madreporite ... Ampullae ... Radial canal ... Ring canal ... Stone canal ... Tube feet

d)

Madreporite ... Ring canal ... Stone canal ... Ampullae ... Radial canal ... Tube feet

43.

Sharks and rays are considered to be ____ fish due to the structure of their skeleton.

a)

Cartilaginous

b)

Bony

c)

Jawless

d)

Armored

44.

Fish mainly breathe using ____.

a)

Gills, lungs, and their skin

b)

lungs only

c)

Gills only

d)

gills and lungs

45.

Which shark is a male?

a)

Shark A and B are both male. One is just mutated.

b)

Neither shark A or B is a male.

c)

Shark A is male.

d)

Shark B is male.

46.

Which of the following is NOT an adaptation that allowed early amphibians to survive the transition from water to land?

a)

Having eggs with shells, so that eggs can be laid on land and not in water

b)

Having lungs for (at least partially) breathing air

c)

Having mucus glands in their skin to prevent their bodies from drying out

d)

Having stronger limb bones and muscles to resist the force of gravity better

47.

Amphibians evolved from ____.

a)

Lobe-finned fish

b)

Ray-finned fish

c)

Reptiles

d)

Cartilaginous fish

48.

Which class are amphibians classified into?

a)

Class Mucosa

b)

Class Metamerism

c)

Class Aquatica

d)

Class Amphibia

49.

The animal below is an amphibian. Based on its appearance, it should be classified into Order ____.

a)

Testudines

b)

Anura

c)

Caudata

d)

Squamata

50.

Which of the following terms does NOT describe a mammal?

a)

Chordate

b)

Tetrapod

c)

Invertebrate

d)

Aminote

51.

What do mammary glands provide for mammals?

a)

Mammary glands provide milk for a mammal's offspring.

b)

Mammary glands provide growth hormones that allow a mammal to grow.

c)

Mammary glands provide nutrients that an adult mammal gets energy from.

d)

Mammals do not have mammary glands.

52.

Select the correct description of a mammal's circulatory system.

a)

They have a four chambered heart and two loops of blood vessels.

b)

They have a three chambered heart and two loops of blood vessels.

c)

They have a two chambered heart and one loop of blood vessels.

d)

They have a one chambered heart and one loop of blood vessels.

53.

Select the true statement.

a)

Most mammals are endothermic. Some are ectothermic.

b)

All mammals are endothermic.

c)

Some mammals are endothermic. Most are ectothermic.

d)

All mammals are ectothermic.

54.

Which orifice on a mammal is used for releasing urine?

a)

anus

b)

spiracle

c)

cloaca

d)

Urethra

55.

Select the true statement.

a)

A mammal's lungs are made of many tiny air sacs.

b)

A mammal's lungs are solid tissue.

c)

A mammal's lungs are one large air sac.

d)

A mammal's lungs are small and inefficient.

56.

What is the name of the body cavity labeled with the letter B?

a)

Abdominal cavity

b)

Thoracic cavity

c)

Pelvic cavity

d)

Pectoral cavity

57.

What is the name of the tube in the image below that is pinned and labeled with the letter A?

a)

small intestine

b)

alveolous

c)

esophagus

d)

trachea

58.

What is the name of the structure in the image below pinned and labeled with the #7?

a)

diaphragm

b)

lung

c)

pancreas

d)

caecum

59.

What is the name of the structure in the image below pinned and labeled with the #8?

a)

Lung

b)

Heart

c)

spleen

d)

kidney

60.

What is the name of the organ that is pinned and labeled with the #9 in the image below?

a)

lungs

b)

spleen

c)

caecum

d)

liver

61.

What is the name of the organ that is pinned and labeled with the #10 in the image below?

a)

large intestine

b)

kidney

c)

pancreas

d)

spleen

62.

What is the name of the organ that is pinned and labeled with the #11 in the image below?

a)

heart

b)

large intestine

c)

stomach

d)

lung

63.

What is the name of the organ that is pinned and labeled with the #12 in the image below?

a)

large intestine

b)

esophagus

c)

small intestine

d)

caecum

64.

What is the name of the organ that is pinned and labeled with the #13 in the image below?

a)

spleen

b)

pancreas

c)

caecum

d)

large intestine

65.

Based on the structure that is pinned and labeled with the #14 in the image below, what is the sex of this rat?

a)

female

b)

male

c)

It is impossible to tell in this image.

66.

Which characteristic does NOT apply to all mammals?

a)

Mammals can breathe through their skin.

b)

Mammals sexually reproduce.

c)

Mammals are multicellular.

d)

Mammals are bilaterally symmetrical.

67.

True or False: Birds are very distantly related to reptiles.

a)

True

b)

Flase

68.

Which of the following terms does NOT describe reptiles and birds?

a)

Amniotes

b)

Tetrapods

c)

Invertebrates

d)

Chordates

69.

Early reptiles diverged from ____.

a)

birds

b)

mammals

c)

fish

d)

amphibians

70.

What is the class name for birds?

a)

Reptilia

b)

Testudines

c)

Accipitres

d)

Aves

71.

Which type of organism has a four-chambered heart and two loops of blood vessels in its circulatory system?

a)

Reptiles

b)

birds

c)

both reptiles and birds

d)

neither reptiles or birds

72.

Which type of organism is ectothermic?

a)

birds

b)

reptiles

c)

both reptiles and birds

d)

neither reptiles nor birds

73.

Which is NOT a way that birds can be "fancy"?

a)

dancing to get their mates attention

b)

having vibrant colors to get their mates attention

c)

singing to get their mates attention

d)

not showing any attention to their mate

74.

Animal cells are ____ because they ____.

a)

Eukaryotic ... Have a nucleus

b)

Eukaryotic ... Lack a nucleus

c)

Prokaryotic ... Have a nucleus

d)

Prokaryotic ... Lack a nucleus

75.

Phylum Annelida includes all ____.

a)

Segmented worms

b)

Roundworms

c)

Flatworms

d)

Velvet worms

76.

What is the structure the arrow is pointing to?

a)

tentacles

b)

fins

c)

fingers

d)

arms

77.

As part of binomial nomenclature, an animal’s Latin name consists of its ____.

a)

Genus and Species

b)

Family and Class

c)

Kingdom and Order

d)

Phylum and Domain

78.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

79.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

80.
Cephalopods move by
a)
using jet propulsion
b)
waving their tentacles back and forth.
c)
crawling along on a single muscular foot.
d)
clapping their shells together.
81.

Letter "A" represents the _________ of a squid.

a)

arm

b)

tentacle

c)

mantle

d)

fin

82.

Letter "C" represents the _________ of a squid.

a)

arm

b)

tentacle

c)

mantle

d)

fin

83.

Letter "D" represents the _______ of a squid.

a)

arm

b)

tentacle

c)

mantle

d)

fin

84.

What is the circled structure used for?

a)

Breathing

b)

Digesting Food

c)

Releasing Ink

d)

Mating

85.

Is the picture showing the dorsal or ventral side of the squid?

a)

dorsal

b)

ventral

86.

Is the arrow pointing to the squids anterior or posterior side?

a)

anterior

b)

posterior

87.

Phylum Mollusca includes organisms that____.

a)

are soft bodied

b)

have an exoskeleton

c)

are segmented

d)

are covered in a shell

88.
Which phylum includes earthworms?
a)
Molluska
b)
Annelida
c)
Nematoda
d)
Echinodermata
89.

What does cephalization mean?

a)

Brain and sensory organs are anterior (the head)

b)

Brain and sensory organs are posterior (near the anus)

c)

The is an absence of sensory organs

d)

The organism does not have a brain

90.
Which part of the sponge body is the central cavity lines with collar cells?
a)
Ostia
b)
Mesenchyme
c)

Spongocoel

d)
Osculum
91.

The flagella of a choanocyte

a)

regulates the diameter of the osculum

b)

lets the water come into the sponge

c)

creates currents in the water

d)

secretes digestive enzymes

92.

Sponges get their food by 

a)

going through photosynthesis

b)

decomposing it

c)

sponges do not eat

d)

filter feeding

93.

In cnidarians, a stinging dart that is used to inject a toxin into prey

a)

Nematocyst

b)

Symbiosis

c)

Statocysts

d)

Neurotoxin

94.

Cnidocytes

a)

used for digestion

b)

cells that contain stinging darts

c)

used to propel cnidarians

d)

another word for tentacles

95.

Cladograms are constructed by grouping organisms together based on their____________ characteristics.

a)

shared

b)

different

c)

similar

d)

opposite

96.

The grizzly bear is most related to the

a)

black bear

b)

snake

c)

fox

d)

sea star

97.

Which letter represents the most recent common ancestor of sponges and mushrooms?

a)

A

b)

B

c)

C

d)

D

98.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
99.

What TYPE of mollusk is this?

a)

Bivalve

b)

Gastropod

c)

Cephalopod

100.

Which of the following describes a reptile egg?

a)

Soft and leathery

b)

Hard with microscopic holes

c)

Soft and smooth

d)

Hard, made of calcium carbonate

101.

Which of these does not describe a bird adaptation?

a)

Feathers

b)

Lightweight bones

c)

Molting

102.

Which is NOT a characteristic of a reptile?

a)

Warm-blooded

b)

Scaly Skin

c)

Has lungs

d)

Lays leathery eggs

103.

A (an) ___________ is a membrane surrounding an embryo in reptiles and birds

a)

amnion

b)

notochord

c)

Yolk sac

d)

cloaca

104.

Turtles, lizards, snakes and crocodiles are all examples of what class?

a)

Amphibians

b)

Reptiles

c)

Birds

d)

Mammals

105.

A birds nearly hollow bones help it to

a)

store extra oxygen

b)

deliver oxygen to its cells

c)

be lightweight in the air

d)

defend itself against predators

106.

How do reptiles exchange oxygen and carbon dioxide?

a)

through their skin

b)

with lungs

c)

with gills

d)

they don't need to exchange oxygen and carbon dioxide

107.

Reptiles belong to which class?

a)

Aves

b)

Reptilia

c)

Osteichthyes

d)

Amphibia

108.

What is NOT a characteristic of all chordates?

a)

pharyngeal slits

b)

notochord

c)

nerve chord

d)

radial symmetry

e)

post-anal tail

109.

What is the term that describes an amphibian's transition through developmental stages throughout its life cycle - as seen below?

a)

Metamorphosis

b)

Tagmatization

c)

Metamerism

d)

Hermaphroditism

110.

Which of the following is NOT an adaptation that allowed early amphibians to survive the transition from water to land?

a)

Having eggs with shells, so that eggs can be laid on land and not in water

b)

Having lungs for (at least partially) breathing air

c)

Having mucus glands in their skin to prevent their bodies from drying out

d)

Having stronger limb bones and muscles to resist the force of gravity better

111.

What is the function of the organ indicated with the letter A?

a)

Exchange oxygen and carbon dioxide with the surrounding water

b)

Increase the surface area for the absorption of nutrients in the intestine

c)

allow the stomach to secrete digestive enzymes

d)

Hold the developing young until they are born

112.

The organ labeled with the letter A is the____.

a)

liver

b)

spleen

c)

brain

d)

heart

113.

What is the name of the organ labeled with the letter C?

a)

Intestine

b)

Spleen

c)

Kidney

d)

Testis

114.

What is the name of the opening that is labeled with the letter B?

a)

Cloaca

b)

Gill slit

c)

Spiracle

d)

Ampullae of Lorenzini

115.

Which side of the shark are you viewing in this image?

a)

Ventral

b)

Dorsal

c)

Medial

d)

Lateral

116.

Which structure on the sharks head is the spiracle?

a)

A

b)

B

c)

C

117.

Which fin in the image below is the shark's pectoral fin?

a)

A

b)

B

c)

C

d)

D

e)

E

118.

Which fin in the image below is the shark's caudal fin?

a)

A

b)

B

c)

C

d)

D

e)

E

119.

In the salamander, what is the name of the organ that has been pinned?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

120.

In the salamander, what is the name of the small, dark organ that is pinned?

a)

lung

b)

heart

c)

pancreas

d)

spleen

121.

In the image below, what is the correct name for the opening that has been pinned?

a)

spiral intestine

b)

anus

c)

esophagus

d)

cloaca

122.

In the image below, what is the function of the organ that has been pinned?

a)

Gas exchange (respiration)

b)

Perceiving sound (hearing)

c)

Holding fertilized eggs until hatched

d)

Excreting waste

123.

In the salamander, what is the name of the organ that is pinned?

a)

lung

b)

liver

c)

stomach

d)

kidney

124.

Which of the following does not belong in subphylum Crustacea?

a)

Crayfish

b)

Crabs

c)

Shrimp

d)

Millipedes

125.

What is NOT a reason arthropods are successful?

a)

they have an exoskeleton

b)

they have jointed legs

c)

They have metamerism with specific functions

d)

they are soft bodied

126.

What is an example of an animal in the class "hexapoda".

a)

lizzard

b)

bee

c)

crayfish

d)

squid

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