WorksheetsUnicellular and Multicellular Organisms Review
Total questions: 31
Worksheet time: 16mins
A single-cell organism can do everything a cell from a multicellular organism can do except
specialize
reproduce
use energy
make protein
Which best describes all unicellular organisms?
Every cell is round
Every cell can make food.
Every cell can move on its own.
Every cell performs all life functions.
Which best describes a function of both multi-celled and single-celled organisms?
to create specialized tissues
to rely on specialized cells to complete certain tasks
to obtain energy from nutrients to maintain life and growth
Which organisms are capable of surviving as a single cell?
bacteria
humans
plants
Which is an example of a single-celled organism?
acorn
amoeba
honey bee
Which is a multi-cellular organism?
algae
cricket
bacteria
Which best explains how a single-celled organism can survive without other cells?
They do not need any substance from outside of the cell.
They are able to perform all necessary functions within one cell.
They do not need to perform more than one function to survive.
Fish are multi-celled organisms with specialized cells. What would most likely happen if their specialized cells did not function properly?
The fish would decrease in size.
The fish would increase in size.
The fish would die.
Which of the following states a difference between single-celled organisms and multi-celled organisms?
Single-celled organisms are dead while multi-celled organisms are alive.
Single-celled organisms do not have organs while multi-celled organisms have organs.
Multi-celled organisms are made up of cells performing the same function while single-celled organisms are not.
Which characteristic best describes both amoebas and bacteria?
abiotic
multi-celled
single-celled
Why do humans require many different types of cells to survive?
Human cells are identical and work together to perform the same function.
Human cells are specialized and work together to perform the same function.
Human cells are identical and work independently to perform different functions.
Human cells are specialized and work independently to perform different functions.
Which best describes a multi-celled organism?
basic
simple
uniform
complex
Which statement would most likely be found in an article about multicelled organisms like plants?
Plants have a simple structure.
Plants contain only one cell that performs all functions.
Plants do not need to eat, remove waste, or reproduce.
Plants contain many specialized cells that perform different functions.
How are single-celled organisms and multi-celled organisms similar?
Both need food for energy and growth.
Both have a skeletal system for support.
Both require the interaction of many cells to survive.
Both are able to carry out all life functions in only one cell.
How are multi-celled and single-celled organisms different?
Multi-celled organisms need energy to survive, while single-celled organisms need no energy to survive.
Single-celled organisms can be seen without using a microscope, while multi-celled organisms are microscopic.
Multi-celled organisms have large numbers of specialized cells to perform a variety of life functions, while single-celled organisms complete life functions with one cell.
Single-celled organisms have large numbers of identical cells that all perform the same function, while multi-celled organisms have cells that are all different and perform different life functions.
In which way are multicellular organisms similar?
All of their cells transport food.
All of their cells have the same job.
All have cells that work together to keep the organism alive.
All have one cell that meets all the basic needs of the organism.
Sue and Allie read about different kinds of organisms. They read about an organism with a respiratory system, digestive system, skeletal system, and muscular system. Which can Sue and Allie most likely conclude about this organism?
The organism is unicellular.
This organism is microscopic.
The organism is multicellular.
The organism does not have any cells.
Which best describes a difference between single-celled organisms and multicellular organisms?
Single-celled organisms are simple, while multicellular organisms are complex.
Single-celled organisms have many functions, while multicellular organisms have one function.
Single-celled organisms can live without water, while multicellular organisms cannot live without water.
Single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere on Earth.
Which of these is a structure that is present in all organisms?
a tissue
a cell
a stomach
a brain
A unicellular organism is best described as being
a complex organism
a microorganism.
an organism with specialized cells
an organism with different types of tissues.
Which MOST affects the path of a weather system in the United States?
the width of the jet stream
the speed of the jet stream
the location of the jet stream
the temperature of the jet stream
Which observation describes a change in climate rather than a change in weather?
The thunderstorm dropped about three centimeters of rain today.
The average summer temperatures have increased over the last ten years.
The snowfall in this area was more this week than it was last week.
The average wind speed in April was less than it was in March.
Ohio often has the weather that Indiana recently had because weather in the United States tends to move from
north to south.
south to north.
west to east.
east to west.
Ocean water is salty, and it is saltier in some places than others. The table shows some events that change the saltiness of ocean water. Which set shows all the events that would make ocean water in an area less salty?
1,4
1,4,6
2,3,5
2,3,5,6
Marco caught a blue crab while he was at the beach with his family. He wanted to take it home and place it in his pond, but was told the crab would not survive. What is the MOST likely reason the crab needs the ocean to survive?
There is more sunlight.
There are fewer predators.
The crab needs less oxygen.
The crab needs the salt water.
Which best describes the role of a first-level consumer in an ecosystem?
Consumers eat producers and pass the energy along in an ecosystem.
Consumers eat scavengers and pass the energy along in an ecosystem.
Consumers eat decomposers and pass the energy along in an ecosystem.
Consumers eat other consumers and pass the energy along in an ecosystem.
Which best describes what will happen to water when it is heated above its boiling point?
It will double in mass.
It will turn into a solid.
It will turn into steam.
The heat from the lamp allows this lizard to remain warm. This is an example of which type of heat transfer?
radiation
convection
conduction
Sodium bicarbonate is commonly known as baking soda. Sodium bicarbonate is a white solid that can dissolve in water. Under the proper conditions, sodium bicarbonate can release carbon dioxide gas. Which of the following is NOT a physical property of sodium bicarbonate?
It is white.
It is a solid.
It can dissolve in water.
It releases carbon dioxide
The water cycle describes the continuous movement of water on Earth. Which part of the water cycle is directly responsible for returning water to the soil?
condensation
evaporation
precipitation
transpiration
A teacher adds 2 g of chalk to 25 g of vinegar in a tightly sealed jar. The chalk and vinegar react, and gas bubbles form. What is the total mass of the jar’s contents after the reaction takes place?
23 g
25 g
27 g
50 g
