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WorksheetsUnicellular and Multicellular Organisms
Total questions: 14
Worksheet time: 7mins
What is one example of a unicellular organism?
flowers
bird
bacteria
mushrooms
Which statement best describes how a multicellular organism survives?
Every cell carries out the same functions for the survivial of the organism
the cells all have the same structures that allow the organism to survive
all life processes are performed by each cell for the survival of the organism
the cells have different functions or jobs, and together they are essential for the survival of the organism
In a multicellular organism specialized cells group together to make what?
celloids
cells
tissue
cell membranes
Tissues are specialized collection of cells that form what?
cells
organs
protist
organisms
What is an example of an organ?
bacteria
heart
instrument
butterflt
How many cells does a unicellular organism have?
one cell
many cells
three cells
several cells
Which is an example of a unicellular cell?
amoeba
tick
flea
algae
In a multicellular organism some cells are too far away to directly exchange substances with their environment, so what do they need to help their cells survive?
more cells
transport system
a new organ
muscle system
What is an organism?
all matter
any living thing
an organ
rock
Which is the basic unit of life?
cell
organ
tissue
transport system
In what way are insects and humans similar?
both are single-celled organisms
both are multicellular organisms
both have cells that capture sunlight to make food
both have cells that carry out all life functions
Which statement best explains how a bacterial cell is capable of surviving as a single-celled organism?
it is able to create new cells more slowly than other kinds of cells
it is large enough to capture the food it needs for growth
it is so small, it can survive in almost any place
it has the ability to carry out all of its life functions
Which characteristic do single-celled organisms and multicellular organisms have in common?
both have cells with specialized functions for each life process
both perform all life processes with one cell
both have a a way to get rid of waste materials
both are able to make food from sunlight
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision?
size of the cells of the organism
what the organism eats
how many types of cells are in the organism
how fast the organism grows
