Cells
Which statement best describes a unicellular organism?
A. It consists of one cell and performs all functions necessary for life within that one cell.
B. It contains more than one cell that perform all functions necessary for life.
C. It is part of a larger organism, such as a human being.
D. It contains differentiated cells that perform all functions necessary for life.
A. It consists of one cell and performs all functions necessary for life within that one cell.
Which body system is made up of the following structures: mouth, esophagus, stomach, and intestines?
The Digestive System
Which of the following characteristics (traits) can be inherited?
A. curly hair
B. beautiful handwriting
C. multiplying numbers
D. playing a piano
A. curly hair
What information does a food chain represent about an ecosystem?
A. The flow of water through an ecosystem.
B. The flow of food between animals.
C. The flow of food between decomposers.
D. The flow of energy from the sun, to producers, to a series of consumers.
D. The flow of energy from the sun, to producers, to a series of consumers.
Which statement best describes an ecosystem? 5.L.2.1
A. An ecosystem is all the organisms of the same kind in a particular area.
B. An ecosystem is a forest or an ocean.
C. An ecosystem is all the living and nonliving parts of the environment and how they interact
with each other.
D. An ecosystem is any organism, such as algae.
C. An ecosystem is all the living and nonliving parts of the environment and how they interact
Which of the following is an example of a multicellular organism?
A. human
B. flower
C. fish
D. all of the above
D. all of the above
Which system functions to transport messages between the brain and other parts of the body?
The Nervous System
Angelica speaks French fluently. Her parents and grandparents do not speak any other
language besides English. How is it possible that Angelica can speak French so well?
A. Angelica inherited her knowledge of French.
B. Angelica must be a genius.
C. Angelica has a sister who speaks Spanish.
D. Angelica learned how to speak French.
D. Angelica learned how to speak French.
Which population would most likely increase (get bigger) if a chemical was used to kill insects and most of the grasshoppers in the ecosystem died?
A. Raccoons
B. Grass
C. Frogs
D. The loss of grasshoppers will not affect other populations in the ecosystem.
A. Raccoons
B. Grass
Bison, prairie dogs, and grasshoppers live in an area with fertile soil and tall grasses. In which
ecosystem to they live?
A. salt marshes
B. ponds
C. forests
D. grasslands
D. grasslands
Which is a characteristic of most single-celled organisms?
A They have a complex nervous system.
B They contain several different types of cells.
C They perform all life processes.
D They have a circulatory and a respiratory system.
C They perform all life processes.
Which two body systems function (work together) to help a person walk, run, jump, and swim?
The Skeletal and Muscular Systems
A mother rabbit has a litter. One of the babies is born with one long ear and one short ear. What most likely caused this one rabbit to be born with one short ear?
A The mother rabbit had previously lost an ear in an accident.
B The mother rabbit became sick before she gave birth.
C A mutation occurred during the development of this one rabbit.
D This one rabbit received less nutrition than the other rabbits before it was born.
C. A mutation occurred during the development of this one rabbit.
In a grassland ecosystem, mice and rabbits eat plants. Hawks eat mice and rabbits. Suppose a disease kills many of the rabbits in the grassland. Which of the following is most likely to occur?
A. The mice will move to another grassland.
B. The hawks will eat more mice.
C. The mice will run out of food.
D. The hawks will begin to eat plants.
B. The hawks will eat more mice.
How do ocean and pond ecosystems compare?
A. Oceans are shallower than ponds.
B. Oceans include freshwater and ponds include saltwater.
C. Oceans include more diverse organisms (plants and animals) than ponds.
D. Ponds are large bodies of water divided by continents.
C. Oceans include more diverse organisms (plants and animals) than ponds.
Which of the following statements best describes unicellular organisms? 5.L.1.1
A. Unicellular organisms have transport systems between cells.
B. Unicellular organisms have many cells that must work together to perform life processes.
C. Unicellular organisms are a single cell that performs all life processes.
D. Unicellular organisms live only inside other living organisms.
C. Unicellular organisms are a single cell that performs all life processes.
What is the function of the cardiovascular system?
A. To provide protection to the body’s organs
B. To transport needed substances throughout the body and carry away wastes
C. To provide movement to body parts
D. To break food down into substances the body can use
B. To transport needed substances throughout the body and carry away wastes
Which of these traits is most influenced by a person’s environment?
A ability to roll the tongue
B blood type
C weight
D eye color
C weight
What will be most affected if the decomposers in an ecosystem are removed?
A the spread of disease
B the availability of water
C the quality of soil
D the distribution of organisms
C the quality of soil
Which has the greatest effect on the amount of salt in a salt marsh?
A the number of animals living in the marsh
B the closeness of the marsh to the ocean
C the depth of the water in the marsh
D the temperature of the water in the marsh
B the closeness of the marsh to the ocean
Leo is observing a sample of pond water using a microscope. He sees an organism moving around in the water and thinks it might be a multicellular organism. Which of the following characteristics of the organism make it most likely to be a multicellular organism?
A. The organism is made of many cells.
B. The organism has cells that perform specialized functions necessary for life.
C. The organism has developed transport systems.
D. All of the above.
D. All of the above.
Which of the following structures function (work together) to provide protection to the heart and
lungs?
A. stomach
B. nerves
C. brain
D. bones
D. Bones
Some people have a “hitchhiker’s” thumb that allows them to bend their thumbs more than other people. How do these people most likely get this trait?
A They learn it from friends.
B They inherit it from their parents.
C They get it as a result of an illness.
D They get it as a result of their jobs
B They inherit it from their parents.
A mouse eats seeds and insects. Which best describes the role of the mouse?
A consumer
B decomposer
C herbivore
D producer
A consumer
How are estuaries different from ponds, lakes, and oceans?
A. Estuaries contain only salt water.
B. Estuaries contain only freshwater.
C. Estuaries contain a mixture of both salt water and freshwater.
D. Estuaries are terrestrial (land-based) ecosystems.
C. Estuaries contain a mixture of both salt water and freshwater.