A
B
C
D
E
100

Which of the following is a characteristic of all living things?

A. They move from place to place
B. They have fur or feathers
C. They are made of one or more cells
D. They need oxygen 

C. They are made of one or more cells
 

100

An organism that can make its own food is called a:
A. Consumer
B. Decomposer
C. Heterotroph
D. Autotroph

D. Autotroph

100

Which of the following best describes development?
A. Increase in number of cells
B. Change in size only
C. Changes during an organism’s life
D. Eating food

C. Changes during an organism’s life

100

In the scientific name Loxodonta africana, “Loxodonta” refers to the:
A. Genus
B. Family
C. Species
D. Domain

A. Genus

100

Classification is useful because it:
A. Eliminates species
B. Makes organisms identical
C. Organizes living things into groups
D. Changes their traits

C. Organizes living things into groups

200

Which process allows organisms to maintain stable internal conditions?
A. Reproduction
B. Homeostasis
C. Growth
D. Adaptation

B. Homeostasis

200

A rabbit eating grass is an example of:
A. Autotroph using sunlight
B. Heterotroph obtaining energy
C. Decomposer recycling nutrients
D. Producer making food

B. Heterotroph obtaining energy

200

A change in the environment that causes a reaction is called a:
A. Response
B. Stimulus
C. Adaptation
D. Trait

B. Stimulus

200

Which classification level is the most specific?
A. Kingdom
B. Phylum
C. Genus
D. Species



D. Species

200

The broadest classification category is:
A. Species
B. Domain
C. Genus
D. Family

B. Domain

300

A plant bending toward sunlight is an example of:
A. Homeostasis
B. Reproduction
C. Response to stimuli
D. Evolution

C. Response to stimuli

300

The gradual change in a species over time is called:
A. Homeostasis
B. Adaptation
C. Evolution
D. Growth

C. Evolution

300

The science of naming and classifying organisms is called:
A. Ecology
B. Biology
C. Taxonomy
D. Genetics

C. Taxonomy

300

Which domain includes organisms without a nucleus?
A. Eukarya
B. Plantae
C. Archaea
D. Animalia

C. Archaea

300

 Which group contains the greatest number of organisms?
A. Species
B. Genus
C. Domain
D. Family

C. Domain

400

What is the basic unit of structure and function in living things?
A. Tissue
B. Organ
C. Atom
D. Cell

D. Cell

400

A stable body temperature in humans is an example of:
A. Reproduction
B. Homeostasis
C. Mutation
D. Stimulus

B. Homeostasis

400

The scientist who developed the modern classification system is:
A. Charles Darwin
B. Gregor Mendel
C. Louis Pasteur
D. Carl Linnaeus

D. Carl Linnaeus

400

Humans belong to which domain?
A. Bacteria
B. Archaea
C. Eukarya
D. Protista

C. Eukarya

400

Which characteristic is most useful in modern classification?
A. Size
B. Color
C. DNA similarities
D. Habitat

C. DNA similarities

500

Which of the following is NOT a characteristic of life?
A. Growth and development
B. Ability to reproduce
C. Made of rocks
D. Use of energy

C. Made of rocks

500

Which is an example of reproduction?
A. A bacterium dividing into two cells
B. A dog panting
C. A tree growing taller
D. A person sweating

A. A bacterium dividing into two cells

500

The two-part scientific naming system is called:
A. Taxonomy
B. Binomial nomenclature
C. Classification key
D. Domain system

B. Binomial nomenclature

500

Which kingdom includes multicellular organisms that make their own food?
A. Animalia
B. Fungi
C. Plantae
D. Protista

C. Plantae

500

Why are scientific names important?
A. They change every year
B. They are easier to spell
C. They are the same worldwide
D. They replace common names locally

C. They are the same worldwide

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