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WorksheetsMatter & Energy in Food Webs
Total questions: 20
Worksheet time: 16mins
Name
Class
Date
1.
When an organism's energy source comes from both animals and plants, that organism is considered to be a what?
a)
predator
b)
omnivore
c)
herbivore
d)
carnivore
2.
How do producers obtain energy?
a)
They conduct photosynthesis.
b)
They consume plants.
c)
They consume primary consumers.
d)
They consume secondary consumers.
3.
Organisms that makes its own food using sunlight or chemicals; producer
a)
decomposer
b)
autotroph
c)
heterotroph
d)
herbivore
4.
How do consumers get their energy?
a)
laying in the sun
b)
eating other organisms
c)
providing food for other organisms
d)
surviving in an ecosystem
5.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
6.
An organism at the second trophic level would be considered a ________.
a)
Top carnivore
b)
Producer
c)
Herbivore
d)
Carnivore
7.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
8.
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.
9.
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.
10.
Which of the following best describes the small bird in the food web above?
a)
primary and secondary consumer
b)
secondary and tertiary consumer
c)
primary consumer only
d)
secondary consumer only
11.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predation
d)
parasitism
12.
How many primary consumers are there in this food web?
a)
1
b)
2
c)
3
d)
4
13.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
14.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
15.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
16.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
17.
What's the role of consumers in a food chain?
a)
Use sunlight to make food
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
18.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
19.
In this Food Web Pyramid what is the proper name for the organisms above the producer level at the bottom.
a)
herbivores
b)
consumers
c)
carnivores
d)
omnivores
20.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
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