Classification of Living Things: Learn and Test Your Knowledge

Question 1

Which of the following is a vertebrate animal?

Accepted Answer

Fish

Answer

Jellyfish

Answer

Sea sponge

Answer

Earthworm

Question 2

Which skill is essential for classifying living things?

Accepted Answer

Observing and comparing

Answer

Conducting experiments

Answer

Building models

Answer

Using microscopes

Question 3

Which of the following is an example of a mammal?

Accepted Answer

Dolphin

Answer

Eagle

Answer

Shark

Answer

Snake

Question 4

In the Linnaean classification system, which level is the most inclusive?

Accepted Answer

Kingdom

Answer

Genus

Answer

Species

Question 5

What is the highest level of classification in the scientific system?

Accepted Answer

Kingdom

Answer

Class

Answer

Order

Answer

Species

Question 6

Which of the following organisms belongs to the kingdom Fungi?

Accepted Answer

Mushroom

Answer

Amoeba

Answer

Fern

Answer

Dog

Question 7

What do we use to identify organisms based on their physical characteristics?

Accepted Answer

Dichotomous key

Answer

Microscope

Answer

DNA test

Answer

Computer program

Question 8

What is the scientific name for the domestic cat?

Accepted Answer

Felis catus

Answer

Canis lupus familiaris

Answer

Panthera tigris

Answer

Sus scrofa domesticus

Question 9

Which of the following is found only in plant cells?

Accepted Answer

Chloroplasts

Answer

Ribosomes

Answer

Cell membrane

Answer

Nucleus

Question 10

How do scientists group organisms together?

Accepted Answer

By their shared characteristics

Answer

By their size

Answer

By their color

Answer

By their behavior

Question 11

What is the scientific name for humans?

Accepted Answer

Homo sapiens

Answer

Canis lupus

Answer

Panthera tigris

Answer

Ursus arctos

Question 12

What is the process by which plants use sunlight to produce food?

Accepted Answer

Photosynthesis

Answer

Respiration

Answer

Osmosis

Answer

Transpiration

Question 13

Which of the following is a non-living thing?

Accepted Answer

Rock

Answer

Bacteria

Answer

Flower

Answer

Mushroom

Question 14

What is the purpose of a dichotomous key?

Accepted Answer

To help identify organisms based on their characteristics

Answer

To create new scientific names

Answer

To study the evolution of organisms

Answer

To classify organisms into different groups

Question 15

In the Linnaean system, which level of classification is the most general?

Accepted Answer

Kingdom

Answer

Phylum

Answer

Class

Answer

Order

Question 16

Which of the following is NOT a characteristic that scientists use to classify living things?

Accepted Answer

Culture

Answer

Physical appearance

Answer

Behavior

Answer

Size

Question 17

Which of the following organisms belongs to the kingdom Plantae?

Accepted Answer

Sunflower

Answer

Lion

Answer

Mushroom

Answer

Amoeba

Question 18

Which of the following is a characteristic of the phylum Chordata?

Accepted Answer

Backbone

Answer

Jointed legs

Answer

Radial symmetry

Answer

Cell walls

Question 19

Which of the following is a characteristic of the class Mammalia?

Accepted Answer

Produce milk for their young

Answer

Have feathers

Answer

Lay eggs

Answer

Have scales

Question 20

What is the smallest unit of classification in biology?

Accepted Answer

Species

Answer

Kingdom

Answer

Genus

Answer

Family

Question 21

What is an example of a binomial name?

Accepted Answer

Canis lupus

Answer

Gray wolf

Answer

Mammalia

Answer

Chordata

Question 22

What is the scientific name for humans?

Accepted Answer

Homo sapiens

Answer

Pan troglodytes

Answer

Canis lupus

Answer

Felis catus

Question 23

Which of the following organisms belongs to the kingdom Animalia?

Accepted Answer

Dog

Answer

Bacteria

Answer

Mushroom

Answer

Plant

Question 24

What do we call a group of organisms that share similar characteristics and can reproduce together?

Accepted Answer

Species

Answer

Population

Answer

Community

Answer

Ecosystem

Question 25

Which of the following best describes a phylogenetic tree?

Accepted Answer

A diagram that shows the evolutionary relationships between organisms

Answer

A list of the characteristics of different organisms

Answer

A map that shows where different organisms live

Answer

A table that shows the classification of different organisms

Question 26

How do homologous structures help us classify organisms?

Accepted Answer

They show that organisms share a common ancestor

Answer

They perform the same function

Answer

They have the same appearance

Answer

They are found in all organisms

Question 27

Which level of classification is the most general?

Accepted Answer

Kingdom

Answer

Class

Answer

Species

Answer

Order

Question 28

A group of organisms that share similar characteristics is called a(n):

Accepted Answer

Taxon

Answer

Kingdom

Answer

Phylum

Answer

Order

Question 29

Which of these animals has a backbone?

Accepted Answer

Fish

Answer

Jellyfish

Answer

Octopus

Answer

Spider

Question 30

What is the scientific name for the African elephant?

Accepted Answer

Loxodonta africana

Answer

Elephas maximus

Answer

Mammuthus primigenius

Answer

Rhinoceros unicornis

Question 31

Which of these kingdoms includes organisms that cannot make their own food?

Accepted Answer

Fungi

Answer

Animalia

Answer

Plantae

Answer

Protista

Question 32

Which of these groups includes all living things?

Accepted Answer

Domain

Answer

Kingdom

Answer

Phylum

Answer

Class

Question 33

What is a limitation of using a hierarchical classification system to group living things?

Accepted Answer

It can oversimplify the relationships between organisms.

Answer

It is easy to understand and apply.

Answer

It is always accurate and up-to-date.

Answer

It is not useful for identifying unknown organisms.

Question 34

Jenny found a living thing in her backyard with green stems, wide leaves, and flowers. Which kingdom does it most likely belong to?

Accepted Answer

Plantae

Answer

Animalia

Answer

Fungi

Answer

Protista

Question 35

Which of the following is NOT a characteristic used to classify living things?

Accepted Answer

Weight

Answer

Cell type

Answer

Number of limbs

Answer

Habitat

Question 36

Which of the following organisms belongs to the kingdom Animalia?

Accepted Answer

Lion

Answer

Bacteria

Answer

Apple Tree

Answer

Mushroom

Question 37

The scientific name for humans is:

Accepted Answer

Homo sapiens

Answer

Panthera leo

Answer

Canis lupus

Answer

Ursus arctos

Question 38

The process of dividing living things into different groups based on their characteristics is called:

Accepted Answer

Taxonomy

Answer

Ecology

Answer

Zoology

Answer

Botany

Question 39

The group that includes all living things that are able to make their own food is:

Accepted Answer

Producers

Answer

Consumers

Answer

Decomposers

Answer

Symbionts

Question 40

Which of these groups of animals contains only vertebrates?

Accepted Answer

Snake, bird, fish

Answer

Starfish, octopus, snail

Answer

Worm, jellyfish, clam

Answer

Insect, spider, crab

Question 41

What is the broadest level of classification for living things?

Accepted Answer

Kingdom

Answer

Phylum

Answer

Class

Answer

Species

Question 42

Which two organisms are most closely related?

Accepted Answer

Dog and wolf

Answer

Wolf and bear

Answer

Bear and cat

Answer

Cat and dog

Question 43

Why do scientists classify living things?

Accepted Answer

To organize and understand the diversity of life

Answer

To prove that evolution is real

Answer

To make it easier to memorize names

Question 44

Which of these is NOT a characteristic of all living things?

Accepted Answer

Ability to move from place to place

Answer

Need for energy

Answer

Made up of cells

Answer

Ability to reproduce

Question 45

What is the scientific name for humans?

Accepted Answer

Homo sapiens

Answer

Felis catus

Answer

Panthera leo

Answer

Canis familiaris

Question 46

A mushroom is a type of...

Accepted Answer

Fungi

Answer

Plant

Answer

Animal

Answer

Protist