The Three Domains
Which domain do humans, plants, and fungi belong to?
a) Bacteria
b) Archaea
c) Eukarya
c) Eukarya ✅
What is one thing plants have that animals do not?
a) Chloroplasts
b) Mitochondria
c) Nuclei
a) Chloroplasts ✅
Which kingdom includes organisms like mushrooms and mold?
a) Fungi
b) Animalia
c) Protista
a) Fungi ✅
What is the broadest level of classification?
a) Species
b) Kingdom
c) Domain
c) Domain ✅
Who developed the modern classification system?
a) Charles Darwin
b) Carolus Linnaeus
c) Gregor Mendel
b) Carolus Linnaeus ✅
Which domain includes single-celled organisms that can survive extreme environments?
a) Bacteria
b) Archaea
c) Eukarya
b) Archaea ✅
What do plants need to make their own food?
a) Oxygen
b) Sunlight
c) Protein
b) Sunlight ✅
Which kingdom includes plants like trees and flowers?
a) Plantae
b) Fungi
c) Bacteria
a) Plantae ✅
What classification level comes after Kingdom?
a) Phylum
b) Genus
c) Order
a) Phylum ✅
What is binomial nomenclature?
a) The system for naming organisms using two names
b) A classification level
c) The process of evolution
a) The system for naming organisms using two names ✅
Bacteria are made up of how many cells?
a) One
b) Two
c) Many
a) One ✅
Which of the following is a mammal?
a) Dolphin
b) Frog
c) Penguin
a) Dolphin ✅
Which kingdom includes tiny, single-celled organisms like E. coli?
a) Animalia
b) Bacteria
c) Plantae
b) Bacteria ✅
Which classification level is the most specific?
a) Family
b) Class
c) Species
c) Species ✅
Why is taxonomy important?
a) It helps scientists classify and organize living things
b) It is only used to name animals
c) It tells us how much energy organisms need
a) It helps scientists classify and organize living things ✅
What domain includes bacteria that can be found in soil, water, and even inside the human body?
a) Bacteria
b) Eukarya
c) Archaea
a) Bacteria ✅
What is one way both plants and animals are similar?
a) They can move on their own
b) They both produce oxygen
c) They grow and reproduce
c) They grow and reproduce ✅
What makes protists unique?
a) They can be plant-like, animal-like, or fungi-like
b) They are all multicellular
c) They only live in extreme environments
a) They can be plant-like, animal-like, or fungi-like ✅
A lion and a tiger are in the same genus. What does this mean?
a) They are exactly the same species
b) They share common characteristics but are different species
c) They cannot be classified together
b) They share common characteristics but are different species ✅
Which two levels of classification are used to name an organism in binomial nomenclature?
a) Kingdom and Phylum
b) Genus and Species
c) Order and Family
b) Genus and Species ✅
Which of these is true about the Eukarya domain?
a) It includes organisms with complex cells that have a nucleus
b) It only includes microscopic organisms
c) It is the smallest classification group
a) It includes organisms with complex cells that have a nucleus ✅
What is an example of an arthropod?
a) Spider
b) Snail
c) Clam
a) Spider ✅
Which kingdom includes complex, multicellular organisms that consume food?
a) Protista
b) Animalia
c) Fungi
b) Animalia ✅
What do scientists use taxonomy for?
a) To give every living thing a unique name
b) To organize only plants and animals
c) To study non-living things
a) To give every living thing a unique name ✅
How does taxonomy help in medicine?
a) It helps scientists classify and track disease-causing organisms
b) It helps scientists name different hospitals
c) It only applies to animals, not bacteria or viruses
a) It helps scientists classify and track disease-causing organisms ✅