WorksheetsEcosystem Test #2 Review
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which could be a secondary consumer?
a)
bear
b)
slug
c)
squirrel
d)
oak tree
2.
Where are producers located on the food chain?
a)
At the beginning, because they create their own food.
b)
In the center, because every organism relies on producers.
c)
At the end, because they rely onother organisms for energy.
d)
Their position changes dependingon what they are eating at that time.
3.
Which is the term for secondary consumers in an ecosystem?
a)
herbivore
b)
carnivore
c)
producer
d)
omnivore
4.
Which group of organisms make up the largest part of a food chain?
a)
carnivores
b)
omnivores
c)
producers
d)
decomposers
5.
Which best explains why producers are at the beginning of all food chains?
a)
They turn dead animals into nutrients.
b)
They provide shelter for smaller animals.
c)
They transfer energy from the sun into food.
d)
They provide energy to the sun.
6.
Which best describes the role of a first-level consumer in an ecosystem?
a)
Consumers eat producers and pass the energy along in an ecosystem.
b)
Consumers eat scavengers and pass the energy along in an ecosystem.
c)
Consumers eat decomposers and pass the energy along in an ecosystem.
d)
Consumers eat other consumers and pass the energy along in an ecosystem.
7.
Which consumer in a grassland ecosystem would be considered both predator and prey?
a)
a grasshopper, because it eats grass and is eaten by birds
b)
a rabbit, because it eats snakes and is eaten by deer
c)
a snake, because it eats mice and is eaten by hawks
d)
an earthworm, because it eatsdead animals and is eaten by birds
8.
Look at the food chain below.
Leaf → Cricket → Frog → Snake → Skunk
What would MOST likely cause the number of snakes to decrease?
Leaf → Cricket → Frog → Snake → Skunk
What would MOST likely cause the number of snakes to decrease?
a)
more leaves
b)
more frogs
c)
more crickets
d)
more skunks
9.
When the predator population in an ecosystem decreases, which will most likely happen to the prey population?
a)
The prey population will die out.
b)
The prey population will decrease.
c)
The prey population will gradually increase.
d)
The prey population will move to another ecosystem.
10.
Which best describes the role of a tiny plant in a coral reef ecosystem?
a)
It is the start of many coral reef food chains.
b)
It provides food and shelter to large predators.
c)
It must get food energy from a source other than the sun.
d)
It is a direct source of energy for all of the animals in the ecosystem.
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