WorksheetsDecomposer Review
Total questions: 8
Worksheet time: 15mins
Name
Class
Date
1.
What is the name of the process where the remains of living things rot, decay or break down?
a)
Disintegration
b)
Dissolve
c)
Decomposition
d)
Recycling
2.
A living organism that puts materials from dead plants and animals back to the soil is called a ____________?
a)
carnivore
b)
decomposer
c)
herbivore
d)
omnivore
3.
An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?
a)
They break down dead organisms to return nutrients to the soil.
b)
They produce their own food for survival.
c)
They play a role in preventing weathering and erosion.
d)
They provide most of the energy to consumers.
4.
Which best describes how decomposers help support life in an ecosystem?
a)
Decomposers add nutrients to the soil.
b)
Decomposers provide a habitat in the ecosystem.
c)
Decomposers add producers to the ecosystem.
d)
Decomposers provide energy for consumers.
5.
Which best describes the role of decomposers in an ecosystem?
a)
Decomposers eat consumers and pass along energy.
b)
Decomposers eat scavengers and pass along energy.
c)
Decomposers get energy from the sun to help producers.
d)
Decomposers get energy by breaking down decaying matter.
6.
Which is an example of a decomposer?
a)
a hawk
b)
a mouse
c)
a flower
d)
a mushroom
7.
Which describes a decomposer?
a)
an organism that eats only plants
b)
an organism that makes its own food
c)
an organism that breaks down dead matter
d)
an organism that receives energy from the sun
8.
How are decomposers (like the FBI) different from plants?
a)
They are not different
b)
They cannot make their own food through photosynthesis like plants
c)
They don't need nutrients to survive
d)
They are not important to the environment
100 %
