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Worksheets7-4.2
Total questions: 15
Worksheet time: 30mins
Name
Class
Date
1.
Food chains include all of the following except
a)
Consumers
b)
Decomposers
c)
Ecosystems
d)
Producers
2.
In the food web show, which organism is an omnivore?
a)
Crickets
b)
Mice
c)
Snakes
d)
Trees
3.
An organism that makes its own food through photosynthesis.
a)
Consumer
b)
Decomposer
c)
Producer
d)
Scavenger
4.
All of the following are consumers except
a)
Autotrophs
b)
Herbivores
c)
Heterotrophs
d)
Ominvores
5.
Which of the following is a food chain shown in this food web?
a)
Mullet - Flat Winkle - Limpet - Sea Urchin
b)
Micoscopic Algae - Sea Urchin - Herring Gull
c)
Bladderwack - Limpet - Common Seal
d)
Common Seal - Herring Gull - Crab - Lobster
6.
Which of the following might be true about a food chain?
a)
An arrow points from a carnivore to a herbivore.
b)
An arrow points from a producer to an omnivore.
c)
An arrow points from a secondary to a primary consumer.
d)
An arrow points from the consumer to the food.
7.
Which consumer could you remove from this food chain and destroy the entire ecosystem?
a)
Caterpillar
b)
Chameleon
c)
Snake
d)
Mongoose
8.
An organism that eats another organism.
a)
Autotroph
b)
Heterotroph
c)
Plant
d)
Producer
9.
Which statement is true about the food chain shown?
a)
The cricket is a producer.
b)
The frog is a herbivore.
c)
The hawk is a primary consumer.
d)
The snake is a tertiary consumer.
10.
Which of the following is true for a food web, but not for a food chain?
a)
A food source may show more than one consumer.
b)
Energy flows towards the consumer.
c)
More than one consumer may be illustrated.
d)
Producers, consumers, and decomposers may be illustrated.
11.
In the food web shown, which of the following is a secondary consumer?
a)
Badger
b)
Beetles
c)
Fox
d)
Grass
12.
In an ecosystem, beetles eat grain, and lizards eat the beetles. Which statement is true?
a)
Beetles are carnivores.
b)
Beetles are producers.
c)
Lizards are decomposers.
d)
Lizards are consumers.
13.
All of the following are decomposers except
a)
Bacteria
b)
Fungi
c)
Termites
d)
Trees
14.
If 25,000 kg of vegetation is planted in this ecosystem, how would the lion population change?
a)
Decrease by 2,500 kg
b)
Decrease by 25,000 kg
c)
Increase by 250 kg
d)
Increase by 250,000
15.
Bacteria, fungi, and other organisms that break down decaying matter.
a)
Consumers
b)
Decomposers
c)
Producers
d)
Scavengers
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