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
An organism that can make its own food is called a:
A. Consumer
B. Decomposer
C. Heterotroph
D. Autotroph
D. Autotroph
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
In the scientific name Loxodonta africana, “Loxodonta” refers to the:
A. Genus
B. Family
C. Species
D. Domain
A. Genus
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
Which process allows organisms to maintain stable internal conditions?
A. Reproduction
B. Homeostasis
C. Growth
D. Adaptation
B. Homeostasis
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
A change in the environment that causes a reaction is called a:
A. Response
B. Stimulus
C. Adaptation
D. Trait
B. Stimulus
Which classification level is the most specific?
A. Kingdom
B. Phylum
C. Genus
D. Species
D. Species
The broadest classification category is:
A. Species
B. Domain
C. Genus
D. Family
B. Domain
A plant bending toward sunlight is an example of:
A. Homeostasis
B. Reproduction
C. Response to stimuli
D. Evolution
C. Response to stimuli
The gradual change in a species over time is called:
A. Homeostasis
B. Adaptation
C. Evolution
D. Growth
C. Evolution
The science of naming and classifying organisms is called:
A. Ecology
B. Biology
C. Taxonomy
D. Genetics
C. Taxonomy
Which domain includes organisms without a nucleus?
A. Eukarya
B. Plantae
C. Archaea
D. Animalia
C. Archaea
Which group contains the greatest number of organisms?
A. Species
B. Genus
C. Domain
D. Family
C. Domain
What is the basic unit of structure and function in living things?
A. Tissue
B. Organ
C. Atom
D. Cell
D. Cell
A stable body temperature in humans is an example of:
A. Reproduction
B. Homeostasis
C. Mutation
D. Stimulus
B. Homeostasis
The scientist who developed the modern classification system is:
A. Charles Darwin
B. Gregor Mendel
C. Louis Pasteur
D. Carl Linnaeus
D. Carl Linnaeus
Humans belong to which domain?
A. Bacteria
B. Archaea
C. Eukarya
D. Protista
C. Eukarya
Which characteristic is most useful in modern classification?
A. Size
B. Color
C. DNA similarities
D. Habitat
C. DNA similarities
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
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
The two-part scientific naming system is called:
A. Taxonomy
B. Binomial nomenclature
C. Classification key
D. Domain system
B. Binomial nomenclature
Which kingdom includes multicellular organisms that make their own food?
A. Animalia
B. Fungi
C. Plantae
D. Protista
C. Plantae
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