Name: 
 

Ecosystems



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What word describes the mammals, fish, birds, and plants that live in an environment?
a.
abiotic
c.
the biosphere
b.
the population
d.
biotic
 

 2. 

Which of the following is abiotic?
a.
a snake
c.
grass
b.
an alligator
d.
water
 

 3. 

Organisms that can make their own food from sunlight are called
a.
decomposers.
c.
producers.
b.
consumers.
d.
carnivores.
 

 4. 

Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of
a.
an abiotic element.
c.
a herbivore.
b.
an omnivore.
d.
a food chain.
 

 5. 

One food web arrow goes from a prairie dog to a coyote, showing that
a.
the coyote is bigger.
c.
the prairie dog eats the coyote.
b.
the coyote eats the prairie dog.
d.
the prairie dog is a producer.
 

 6. 

A bird eats a worm. Who is the predator?
a.
the worm
c.
both the bird and the worm
b.
the bird
d.
neither the bird nor the worm
 

 7. 

Rocks, temperature, and water are what part of the environment?
a.
biotic
c.
population
b.
abiotic
d.
living
 

 8. 

Grass that gains energy from the sun is an example of a
a.
consumer.
c.
decomposer.
b.
parasite.
d.
producer.
 

 9. 

A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is
a.
an energy pyramid.
c.
a food chain.
b.
a food web.
d.
a population chart.
 

 10. 

In a food web, arrows point in just one direction because they show
a.
which animal is bigger.
b.
which animals are related.
c.
how energy goes to the animal that is eating.
d.
how energy goes to the animal that is eaten.
 

 11. 

Two members of the same species fight over who gets a certain food. Members of different species try to take over a certain nesting area. These are both examples of
a.
community.
c.
mutualism.
b.
competition.
d.
commensalism.
 

 12. 

In which type of symbiosis do organisms help each other?
a.
parasitism
c.
community
b.
mutualism
d.
commensalism
 

 13. 

Herbivores, carnivores, and omnivores are all
a.
decomposers.
c.
predators.
b.
producers.
d.
consumers.
 

 14. 

Rocks, temperature, and water are what kind of things?
a.
biotic
c.
population
b.
abiotic
d.
living
 

 15. 

What living things make food from sunlight?
a.
consumers
c.
decomposers
b.
parasites
d.
producers
 

 16. 

What is an animal that catches and eats another animal called?
a.
prey
c.
producer
b.
predator
d.
herbivore
 

 17. 

Bears eat fruits such as berries and animals such as fish. They hibernate in the winter. They give birth to live young. Which of these terms applies to bears?
a.
They are decomposers
b.
They are omnivores
c.
They are carnivores
d.
They are herbivores
 

 18. 

If you made a chart showing all the organisms living in the local lake, with arrows drawn between the various organisms showing who ate what, what kind of chart would you have made?
a.
energy pyramid
c.
food web
b.
food chain
d.
ecosystem chart
 

 19. 

Suppose there were a bird that always sat on a horse's back and ate the insects that would bite the horse. What would this be an example of?
a.
mutualism
c.
competition
b.
parasitism
d.
commensalism
 

 20. 

When a parasitic worm invades an animal, who is the host?
a.
the producer
c.
the decomposer
b.
the animal
d.
the worm
 
 
Use the image below to answer the following questions.

nar001-1.jpg
 

 21. 

The arrows on the food web show that
a.
prairie dogs eat grass
c.
squirrels eat grass.
b.
deer eat prairie dogs.
d.
squirrels eat coyotes.
 

 22. 

Three organisms on the food web have arrows pointing away from them and no arrows pointing toward them. They are
a.
omnivores.
c.
decomposers.
b.
herbivores.
d.
producers.
 

 23. 

What does the arrow between the squirrel and the hawk represent?
a.
energy flowing from producers to consumers
b.
energy flowing from consumers to producers
c.
energy flowing from the squirrel to the hawk
d.
energy flowing from the hawk to the squirrel
 

 24. 

The   biome with the greatest variety of plants and animals is the
a.
desert
c.
temperate grassland.
b.
tundra.
d.
tropical rain forest.
 

 25. 

Which biome is found near the equator ?
a.
tundra
c.
tropical rainforest
b.
desert
d.
taiga
 

 26. 

Which biome would recieve the most snowfall ?
a.
desert
c.
rainforest
b.
tundra
d.
decidous forest
 

 27. 

Which Biome would recieve the least rainfall ?
a.
tropical rainforest
c.
grasslands
b.
temperate rainforest
d.
decidious forest
 

 28. 

Which biome has the lowest yearly temperature ?
a.
taiga
c.
Grasslands
b.
deciduous
d.
rainforests
 

 29. 

Tennessee, Northern Georgia, and Virginia would be found in which Biome ?
a.
rainforest
c.
decidious forest
b.
tundra
d.
desert
 

 30. 

Arizona,and New Mexico is which type of Biome ?
a.
grasslands
c.
desert
b.
rainforest
 
 
Use the following story for questions 31 32
There once was a very large soccer tournament held at Disney Land. The winning team recieved one million dollars. Teams from all over the country gather in Florida for the  skilled . In all there were 120 teams and a total of 12012 soccer players. Each player was a skilled soccer player In the end the team from Douglas county won the million dollars.
 

 31. 

Using the soccer tournament story what would be the community
a.
The skilled soccer players
c.
The total of all the soccer players who traveled to the tournament
b.
The individual teams
 

 32. 

In the soccer story who would make up the population ?
a.
The individual soccer players
c.
The total of all the players that traveled to the tournament
b.
The teams that traveled to the tournament
 

 33. 

When two or more individuals or populations try to use the same resources it is called
a.
Mutualism
c.
Commensalism
b.
Competition
d.
Symbiosis
 



 
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