WorksheetsEcosystem Test Review Part I
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
Examples of abiotic factors in a lake are:
a)
Sunlight
b)
Water
c)
Oxygen
d)
All of the factors, sunlight, water and oxygen.
2.
Which type of living organisms conduct photosynthesis?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
3.
Which of the following is NOT an essential ingredient that plants take in during photosynthesis?
a)
Water
b)
Oxygen
c)
Sunlight
d)
Carbon Dixiode
4.
Classify the following organisms:
Mouse, rabbit, lion and zebra.
Mouse, rabbit, lion and zebra.
a)
Producers
b)
Consumers
c)
Decomposers
d)
Abiotic
5.
Classify the following organisms:
Tree, flowers, grass, plankton
Tree, flowers, grass, plankton
a)
Producers
b)
Consumers
c)
Decomposers
d)
Abiotic
6.
Classify the following organisms:
Worms, mushrooms, bacteria
Worms, mushrooms, bacteria
a)
Producers
b)
Consumers
c)
Decomposers
d)
Dead things
7.
Identify one effect of removing sea otters from this food web:
a)
The population of sea stars will decrease
b)
The population of kelp and algae will decrease.
c)
The population of sea urchins will increase
d)
The population of sharks will increase
8.
Identify a secondary concumer in this food web.
a)
Crab
b)
Sea star
c)
Sea otter
d)
Plankton
9.
If an ecosystem is in equilibrium, the ecosystem is:
a)
Out of balance, with few producers.
b)
Balanced with the amount of producers and consumers
c)
Out of balance, with too many predators
d)
Equal, with too many producers
10.
All energy on Earth originates from the _____________.
a)
Producers
b)
Sun
c)
Consumers
d)
Trees
11.
The lion in the photo is an example of a:
a)
Producer
b)
Predator
c)
Prey
d)
Decomposer
12.
The water buffalo in the image is an example of a:
a)
A. Producer
b)
B. Consumer
c)
C. Prey
d)
D. Both B and C
13.
Which statement is true about all ecosystems?
a)
All ecosystems are the same size.
b)
All ecosystem have the same type of plants.
c)
All ecosystems have the same type of animals.
d)
All ecosystems have energy which flows through them.
14.
In a lake there are living and non-living organisms. Which of the following would NOT be a biotic factor?
a)
Sunlight
b)
Fish
c)
Turtle
d)
Algae
15.
To the right is a map showing the current location of the invasive species Kudzu (the vine that ate the South). Predict how the green will change, if no predator can control the spread of this vine.
a)
There will be less green on the map.
b)
There will be more green on the map.
c)
There will be the same amount of green on the map.
d)
There is not enough information to answer this question.
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