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Ecosystems Review

Total questions: 20

Worksheet time: 39mins

Name
Class
Date
1.

Which of the organisms below would be a producer?

a)

algae

b)

mouse

c)

worm

2.

Humans are considered _______________.

a)

consumers

b)

decomposers

c)

producers

3.

An organism that gets energy from breaking down dead organisms, non-living material, or waste is a ________________.

a)

consumer

b)

decomposer

c)

producer

4.

The shrew provides energy for the ________________.

a)

cricket

b)

grasshopper

c)

snake

5.
Which relationship describes predator/prey
a)
hawks and shrubs
b)
mountain lion and deer
c)
frogs and trees
d)
grasses and crickets
6.
A diagram that shows the amount of energy that moves from one feeding level to another is termed..
a)
energy pyramid
b)
adaptation
c)
autotroph
d)
food web
7.
Commensalism is
a)
one species benefits, the other is not affected
b)
both species benefit
c)
both species are harmed
d)
one species benefit, the other is harmed
8.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
9.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
10.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
11.
Cattle egrets forage (feed) in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
12.

A tapeworm lives in the intestine of a cat absorbing nutrients through its skin. A tapeworm and a cat have this type of relationship.

a)

mutualism

b)

parasitism

c)

commensalism

d)

competition

13.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
14.
Red-billed oxpeckers are birds that often feed on parasites that infest impala.  This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
15.

Mockingbirds will push the eggs out of a blue bird's nest and use the nest for it's own babies illustrating...

a)

commensalism

b)

parasitism

c)

mutualism

d)

predation

16.

Lichens are close associations of fungi and algae. The fungi hold the water supply and the algae perform photosynthesis to manufacture carbohydrates for both organisms.

a)

mutualism

b)

commensalism

c)

parasitism

17.

What is the carrying capacity of the graph?

a)

1000

b)

8000

c)

800

d)

600

18.

What happens if a population grows past its carrying capacity?

a)

The population keeps growing

b)

The population starts to die off

c)

The entire species will go extinct

d)

The carrying capacity just increases

19.
succession that occurs in an area with no soil
a)
ecological succession 
b)
primary succession 
c)
secondary succession
d)
pioneer speciles
20.
The picture shows what type of succession?
a)
primary
b)
secondary
c)
tertiary
d)
quadanary

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