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Cells
Test Description: What's the difference between multicellular and unicellular organisms?
Instructions: Answer all questions to get your test result.
1) Which lists represents the levels of organization in multicelluar organism from simplest level to most complex level
A
tissue, organ, organ system
B
organ system, organ, tissue, cell
C
cell, tissue, organ, organ system
D
cell, tissue, organ system
2) When John runs, his muscle cells work to move his legs and arms, and his blood cells bring oxygen to his body. How are Mitsugu’s muscle cells different from his blood cells?
A
There are many blood cells but only a few muscle cells.
B
The muscle cells perform different functions than the blood cells.
C
The blood cells need food.
D
The muscle cells come from blood cells.
3) the basic unit of structure and function in all organisms; all living things are composed of cells; cells can only be produced from other living cells
A
organ
B
cell
C
nucleus
D
organ system
4) Unicellular organisms
A
are made of just one cell
B
are made of more than one cell
5) Which best describes a difference between single-celled organisms and multicellular organisms?
A
single-celled organisms are simple, while multicellular organisms are complex
B
single-celled organisms can live without water, while multicellular organisms cannot live without water
C
single-celled organisms can only be found in one specific environment, while multicellular organisms can be found anywhere
D
single-celled organisms have many functions, while multicellular organisms have one function
6) Multicellular organisms are composed of cells that vary in appearance. What is the most likely reason cells in organisms have different shapes?
A
to perform similar roles
B
to perform different roles
C
to work at similar rates
D
to work at different rates
7) Organisms that are multicellular must have?
A
large cells
B
more than one cell
C
identical cell
D
only one cell
8) how are multicellular and unicellular organisms different?
A
What they eat
B
Their size
C
Their movement
D
The amount of cells they have
9) Which of the following organisms are unicellular?
A
oak tree
B
duck
C
mushroom
D
paramecium
10) Which of these organisms is a unicellular organism?
A
maple tree
B
eagle
C
jellyfish
D
bacteria
11) Unicellular organisms
A
are a collection of cells and usually too small to see directly
B
are two cells and usually too small to see directly
C
are a single cell and usually too small to see directly
D
are two or more cells and usually too small to see directly
12) The cells of unicellular organisms are
A
specialized to perform different tasks.
B
able to carry out all of the functions necessary for life.
C
unable to respond to changes in their environment.
D
larger than those of multicellular organisms
13) Unicellular organisms are made up of ______cell(s)
A
two
B
one
C
many
D
three
14) What do unicellular and multicellular organisms have in common?
A
Both can make food from sunlight
B
Both have different cells for specialized functions for each life process
C
Both can perfom tasks like digesting food and getting rid of waste
D
Both are made up of only one cell
15) Why do multicellular organisms need transport systems?
A
Most have cells that require more energy to survive than single-celled organisms
B
Most have cells that are not able to exchange gases with the outside
C
Most have cells that are unable to grow and survive in their environment.
D
Most have cells that need food from sources outside their environment.
16) Which best explains why both cats and humans are multicellular organisms?
A
They need only one cell to meet their basic needs.
B
They get energy from many food sources.
C
They need many cells working together to meet their basic needs
D
They get energy from a single food source
17) In multicellular organisms, cells are ______________, meaning they have specific functions.
A
specialized
B
adaptation
C
organ
D
tissue
18) The systems in your body
A
perform identical functions
B
change organs depending on need
C
interact with one another to provide for the body's needs
D
function best when they are separate from one another
19) Ecosystems on land are called ___ ecosystems.
A
soil
B
aquatic
C
rock
D
terrestrial
20) Marine ecosystems have more ____ than freshwater ecosystems
A
water
B
Humidity
C
Salt
D
Life
*select an answer for all questions
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