Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Introduction to Zoology

Total questions: 57

Worksheet time: 29mins

Name
Class
Date
1.

The study of classification

a)

Ecology

b)

Taxonomy

c)

Histology

d)

Zoology

2.

Which of the following are in the correct order (from most inclusive to least inclusive)?

a)

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

b)

Species, Domain, Kingdom, Class, Phylum, Order, Family, Genus

c)

Domain, Kingdom, Class, Phylum, Order, Family, Genus, Species

d)

Domain, Kingdom, Class, Phylum, Genus, Order, Family, Species

3.

A trait that is present in one group of organisms but is absent in all others.

a)

Derived trait

b)

Lineage

c)

Analogous trait

d)

A Taxon

4.

Each hierarchical level of classification is called a ....

a)

Taxon (Taxa)

b)

Order

c)

Evolutionary grouping

d)

Classification level

5.

An illustration that reveals evolutionary relationships.

a)

Taxonomic Chart

b)

Cladogram

c)

Family Tree

d)

Evolutionary Tree

6.

According to the cladogram, which group of animals are most closely related to birds?

a)

Fish

b)

Reptiles

c)

Rodents

d)

Primates

7.

What derived trait is present in all of the animals except the tortoise?

a)

Hair

b)

Carnivorous

c)

Retractable claws

d)

Purring

8.

Where would a "subphylum" go?

a)

Between Kingdom and Phylum

b)

Between Phylum and Class

c)

Nowhere, there is no such thing

d)

Between Domain and Kingdom

9.

Animals belong to the Domain...

a)

Animalia

b)

Eukaryota

c)

Eubacteria

d)

Archaebacteria

10.

All animals belong to the Kingdom...

a)

Animalia

b)

Eukaryota

c)

Mammalia

d)

Fungi

11.

The system of scientific naming in which every species is given a two-word name written in latin.

a)

Binomial nomenclature

b)

Taxidermy

c)

Binaming classification

d)

Numerical organizing

12.

The first word of a scientific name pertains to an organism's...

a)

Phylum

b)

Genus

c)

Species

d)

Latin root

13.

The second word of a scientific name pertains to an organism's...

a)

Phylum

b)

Genus

c)

Species

d)

Latin root

14.

A group of naturally interbreeding populations that are reproductively isolated from other groups.

a)

Kingdom

b)

Taxa

c)

Family

d)

Species

15.

T/F: Sometimes two different species may interbreed to produce infertile hybrids.

a)

True

b)

False

16.

Organisms may become two separate species if their range is broken in two and there is no longer any ability to mate between the two isolated groups. This is called...

a)

Behavioral isolation

b)

Geographic Isolation

c)

Temporal Isolation

d)

Mechanical Isolation

17.

Some groups of similar organisms are separated from one another because a change in their mating seasons so that the two groups no longer mate with one another. This is called...

a)

Mechanical isolation

b)

Geographic isolation

c)

Temporal isolation

d)

Behavioral isolation

18.

Some species of birds are very similar to one another but they are separate species because they don't interbreed. This is due to complex mating dances that vary between the two groups. This is called...

a)

Behavioral isolation

b)

Mechanical isolation

c)

Temporal isolation

d)

Geographic isolation

19.

The cells of a multicellular organism rarely exhibit the ability to live on their own. They usually vary in shape and function and only are capable of performing some of life's functions, therefore relying on many other types of cells for survival. This is called...

a)

Differentiation

b)

Organization

c)

Partiality

d)

Colonialism

20.

Animals are ______, meaning that their bodies are composed of many cells.

a)

Unicellular

b)

Multicellular

c)

Heterotrophic

d)

Autotrophic

21.

All animals rely on consuming other living things in order to obtain the necessary energy for life. They are...

a)

Autotrophic

b)

Heterotrophic

c)

Xenophobic

d)

Producers

22.

The ability for animals to create movement is called

a)

Automotion

b)

Motility

c)

Flexibility

d)

Contractility

23.

A sea star would exhibit...

a)

Radial symmetry

b)

Bilateral symmetry

c)

Asymmetry

24.

A housefly would exhibit...

a)

Radial symmetry

b)

Bilateral Symmetry

c)

Asymmetry

25.

These coral colonies would exhibit...

a)

Radial Symmetry

b)

Bilateral Symmetry

c)

Asymmetry

26.

The concentration of nervous and sensory tissues towards the anterior of an organism.

a)

Cephalization

b)

Vascularization

c)

Concentration

d)

Nervous arrangement

27.

Which of the following body plans would exhibit cephalization?

a)

Bilaterally symmetrical organisms

b)

Radially symmetrical organisms

c)

Asymmetrical organisms

28.

Which form of reproduction typically leads to faster population growth?

a)

Sexual Reproduction

b)

Asexual Reproduction

29.

Which form of reproduction is more common in the simplest animals?

a)

Sexual Reproduction

b)

Asexual Reproduction

30.

Which form of reproduction is more common in the most advanced animals?

a)

Sexual Reproduction

b)

Asexual Reproduction

31.

Which form of reproduction leads to the greatest genetic variation in the population?

a)

Sexual Reproduction

b)

Asexual Reproduction

32.

The study of embryo development

a)

Embryology

b)

Baby-ology

c)

Developmental biology

d)

Taxonomy

33.

A fertilized ovum. The first cell of a new organism

a)

Morula

b)

Blastula

c)

Zygote

d)

Ovary

34.

A solid collection of cells (32-128 cells in size) that forms early in animal development

a)

Gastrula

b)

Blastula

c)

Morula

d)

Zygote

35.

A hollow ball of cells that forms early in animal development. It is one of the derived traits of the animal kingdom.

a)

Gastrula

b)

Blastula

c)

Morula

d)

Zygote

36.

What is the difference between a gastrula and a blastula?

a)

A gastrula has a region that is infolded called the archenteron.

b)

A blastula has a region that is infolded called the archenteron.

c)

They are same thing.

d)

A gastrula is a blastula that is filled with gas.

37.

In a gastrula, the opening of the archenteron is called the ...

a)

Blastopore

b)

Gastropore

c)

Mouth

d)

Basal pore

38.

Early animals develop two or three differentiated layers of cells. These layers are called ...

a)

Embryonic layers

b)

Germ layers

c)

Blastic layers

d)

Developmental layers

39.

Animals that develop from TWO germ layers

a)

Diploblastic

b)

Triploblastic

c)

Dual Germaphobes

d)

Bigerminal

40.

If an embryo had endoderm, ectoderm, and mesoderm germ layers, it would be...

a)

Diploblastic

b)

Triploblastic

41.

Muscle, bone, and other connective tissues arise from the ______ germ layer

a)

Ectoderm

b)

Endoderm

c)

Mesoderm

42.

The ectoderm layer produces _________ tissues

a)

Skin and Nervous

b)

Skin only

c)

Nervous only

d)

Muscle and Bone

43.

The digestive organs all arise from the _______ layer.

a)

Ectoderm

b)

Endoderm

c)

Mesoderm

44.

A diploblastic organism lacks the ______ layer.

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

45.

A hollow, internal cavity (space) in which organs reside is called a ...

a)

Blastula

b)

Coelom

c)

Cavitation

d)

Endoderm

46.

An acoelomate animal would...

a)

Lack a body cavity

b)

Possess a body cavity

c)

Have a partial body cavity

47.

Which of the following would be the most "advanced" body plan?

a)

Coelomate

b)

Acoelomate

c)

Pseudocoelomate

48.

An animal that contains both a mouth and an anus would be said to possess a __________

a)

Gastrovascular cavity

b)

True Digestive Tract

49.

In the case of an organism that has a gastrovascular cavity, the singular opening to the cavity is called the...

a)

Mouth

b)

Anus

c)

Digestive Pore

50.

What is the advantage of a true digestive tract?

a)

It is a simpler design

b)

It contains less cells

c)

It allows for differentiation of cells along the digestive path, enabling more efficient digestion

d)

It is smaller in size

51.

An organism that develops from an embryo in which the blastopore becomes the anus in the adult body form.

a)

Protostome

b)

Deuterostome

52.

A body plan that consists of multiple, repeating subunits

a)

Segmentation

b)

Polyploidy

c)

Polylinear

d)

Subdivisive Body Plan

53.

The "head" end of an organism

a)

Anterior

b)

Posterior

c)

Dorsal

d)

Ventral

54.

The "belly" side of an organism

a)

Anterior

b)

Posterior

c)

Dorsal

d)

Ventral

55.

The furthest away from the body

a)

Proximal

b)

Distal

56.

The "uppermost"region of something

a)

Superior

b)

Inferior

57.

Refers to the rear end of an animal.

a)

Cranial

b)

Caudal

c)

Dorsal

d)

Ventral