WorksheetsEnergy Pyramid and Food Webs Review
Total questions: 19
Worksheet time: 18mins
Name
Class
Date
1.
An animal that eats only other animals
a)
producer
b)
herbivore
c)
omnivore
d)
carnivore
2.
An animal that eats only plants
a)
omnivore
b)
carnivore
c)
herbivore
d)
fox
3.
What happens as you move higher in the energy pyramid?
a)
more organisms
b)
fewer organisms
c)
number of organisms does not change
d)
organisms die
4.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
5.
In the food web pictured here, flies provide energy for...
a)
Dragonflies, Turtles, & Frogs
b)
Slugs & Fish
c)
Water Weeds & Algae
d)
Snakes, Frogs, & Kingfishers
6.
Who is the herbivore?
a)
lettuce
b)
greenfly
c)
ladybird
d)
thrush
7.
What organism consumes both rabbits and birds?
a)
The Hawk
b)
The Wolf
c)
The Plant
d)
The Mushroom
8.
How many primary consumers are in this food web?
a)
1
b)
2
c)
3
d)
4
9.
Who are the primary producers in this food web?
a)
The lizard and the Hawk
b)
The Grasshopper and the Mouse
c)
The rabbit and the Hawk
d)
The lizard and the snake
10.
If there are 10,000KCal unites of nergy available for the producers, and a lion is the secondary consumer in a food chain, how many calories does the lion get
a)
1
b)
10
c)
100
d)
1000
11.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
12.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
13.
A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?
a)
Hawk
b)
Rabbit
c)
Grasshopper
d)
Mouse
14.
The diagram shows the cycling of nutrients in an ecosystem. The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
15.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
16.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
17.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
18.
Which organisms have the most energy?
a)
ladybugs
b)
plants
c)
owl
d)
mosquitoes
19.
If a producer contains 5,500 kCal of energy, how much energy will be passed on to the primary consumers?
a)
5 kCal
b)
55 kCal
c)
5.50 kCal
d)
550 kCal
100 %
