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WorksheetsUnit 4B
Total questions: 18
Worksheet time: 2hrs 30mins
Name
Class
Date
1.
A _________ is made up of different populations that depend on one another.
a)
ecosystem
b)
population
c)
community
d)
food chain
2.
People play the role of a CONSUMER in a food chain.
a)
True
b)
False
3.
Which of the following is a renewable energy source?
a)
oil
b)
solar energy
c)
coal
d)
natural gas
4.
Pollution can be caused by __________?
a)
picking up trash
b)
planting trees
c)
conserving water
d)
mining fossil fules
5.
All are example of conservation except ____________?
a)
leaving lights on
b)
turning lights off
c)
turning off water when brushing your teeth
d)
recycling trash
6.
Each group of living things is called a POPULATION.
a)
true
b)
false
7.
Producers in an ecosystem are important because ___________?
a)
they consume food for other consumers
b)
they produce food for other producers
c)
they break down remains of dead plants
d)
they produce food for consumers
8.
A food chain must always start with a CONSUMER.
a)
true
b)
false
9.
Which is an example of a carnivore?
a)
snake
b)
rabbit
c)
squirrel
d)
deer
10.
What do we call an animal that eats both plants and animals?
a)
carnivore
b)
producer
c)
omnivore
d)
herbivore
11.
What is one way that people use the natural resource trees?
a)
to make plastic
b)
to build roads
c)
for building materials
d)
to produce gasoline
12.
What type of resource is oil?
a)
organic
b)
renewable
c)
new
d)
nonrenewable
13.
Building more factories is one way to help reduce pollution.
a)
true
b)
false
14.
Setting aside areas of land for animals to eat and live can be helpful to an ecosystem.
a)
true
b)
false
15.
Foods that have a LOW carbon-to-nitrogen ratio will break down ________ in a compost pile?
a)
faster
b)
slower
16.
Which of the following is considered a biodegradable?
a)
soda can
b)
rubber band
c)
plastic bottle
d)
banana peel
17.
One way to compare how fast or slow different materials break down is to record _________.
a)
color
b)
odor/smell
c)
shape
d)
mass
18.
Which activity is most helpful to the environment?
a)
factory smoke
b)
car exhaust
c)
littering
d)
reusing materials
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