WorksheetsEcosystems
Total questions: 12
Worksheet time: 12mins
Name
Class
Date
1.
which is a fresh water ecosystem?
a)
estuary
b)
lake
c)
savannah
d)
ocean
2.
How are estuaries different from lakes, rivers, and oceans?
a)
estuaries contain only salt water
b)
estuaries contain only fresh water
c)
estuaries contain both salt water and fresh water
d)
estuaries contain river water and fresh water
3.
How are fungi, bacteria and termites classified?
a)
omnivores
b)
producers
c)
comsumers
d)
decomposers
4.
What type of animal only eats grasses and plants?
a)
omnivore
b)
producer
c)
herbivore
d)
carnivore
5.
Which of the organisms in the image shown is a producer?
a)
the hawk
b)
the lizard
c)
the grass
d)
the snake
6.
Which of the organisms shown is an herbivore?
a)
the grass
b)
the hawk
c)
the rabbit
d)
the snake
7.
What is the source of energy for all living things in an ecosystem?
a)
water
b)
heat
c)
the sun
d)
food
8.
A large hawk eats a mouse. How would you classify the hawk in this case?
a)
prey
b)
producer
c)
predator
d)
decomposer
9.
Which organisms make their own food through the process of photosynthesis?
a)
decomposers
b)
cansumers
c)
herbivores
d)
producers
10.
Which BEST describes algae?
a)
producers in a pond ecosystem
b)
consumers in an ocean ecosystem
c)
prey in a forest ecosystem
d)
predators in a salt marsh ecosystem
11.
Animals release carbon dioxide into the air. What happens to some of this carbon dioxide?
a)
other animals use it for energy.
b)
plants use it to make food
c)
it becomes a nutrient in soil
d)
bacteria uses it to break down wastes
12.
If one kind of producer is removed from an ecosystem's food web, what will MOST LIKELY happen?
a)
Non of the other organisms in the food web will be affected
b)
only the producers in the food web will be affected
c)
many other organisms in the food web will be affected
d)
only the consumers in the food web will be affected
100 %
