WorksheetsCellular Organism
Total questions: 23
Worksheet time: 18mins
How is it possible for single-celled organisms to survive?
They are small and can easily avoid predators.
They have all of their needs met within one cell.
They have adapted to live only in specific environments.
They depend on other cells to obtain food, water, and other resources.
Which is an example of a single-celled organism?
amoeba
insect
fish
worm
Why do multicellular organisms need transport systems?
Most have cells that are not able to exchange gases with the outside environment.
Most have cells that are unable to grow and survive in their environment.
Most have cells that need food from sources outside their environment.
Most have cells that require more energy to survive than single-celled organisms.
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 within one cell.
Both have a way to get rid of waste materials.
Both are able to make food from sunlight.
Which statement best describes a bacterial cell?
It contains more than one cell.
It is a complete organism.
It is part of a larger organism.
It contains different kinds of cells
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
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
to complete all life processes within a single cell
Which organisms are capable of surviving as a single cell?
algae
humans
plants
mammals
Which BEST describes ALL unicellular organisms?
They can specialize to perform only one task.
They can complete all life functions with a single cell.
They require transport systems to stay alive.
Their respiratory systems obtain oxygen for them.
Which of the following is true of bacterial cells?
They have specialized cells.
They work with other cells to control all their life processes.
They require help from multi-celled organisms to perform life processes.
They perform all life processes within a single cell.
Which of the following is single-celled?
dog
bear
amoeba
humans
Which of the following must get its nutrients from a transport system?
amoeba cells
bacteria cells
brain cells
paramecium cells
Which cells do not specialize?
heart cells
yeast cells
lung cells
blood cells
Which of the following would be considered a complete organism?
heart cells
lung cells
blood cells
bacterial cells
Single-celled organisms can do all of the following things that multi-celled organisms can do except:
specialize.
reproduce.
use energy
release waste
Which of the following describes a unicellular organism?
It specializes to do one specific job.
it is a microorganism
It requires the aid of a transport system to stay alive.
It is multi-cellular.
