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Food Chains
Test Description: Food Chains Review
Instructions: Answer all questions to get your test result.
1) Which of the following is NOT a source of energy for ALL living things?
A
Sun
B
photosynthesis
C
water
D
food/sugar
2) Which list shows a group of living things in the correct sequence within a food chain?
A
fox - rabbit - lion
B
corn - owl - rat
C
snake – moose – berries
D
flower - grasshopper - mouse
3) What is the main difference between a producer and a consumer?
A
A consumer makes its own food, but a producer must get food from other living things.
B
A producer is part of a food chain, but a consumer is part of a food web.
C
A consumer is part of a food chain, but a producer is part of a food web.
D
A producer makes its own food, but a consumer must get food from other living things.
4) The arrows in a food chain or food web show
A
the producers.
B
which animals eat the others.
C
the path of energy.
D
the decomposers.
5) True or False: There are usually more producers than top predators in an ecosystem.
A
True
B
False
C
na
D
na
6) If most of the blue birds in an ecosystem became sick and died, what would likely happen to the populations of other species on that island?
A
The population of red birds would probably increase.
B
The population of owls would probably increase.
C
The population of snakes would probably decrease.
D
The population of grasshoppers would probably decrease.
7) If a frog is eaten by a snake, then the frog is
A
a predator
B
a producer
C
an herbivore
D
prey
8) Which of the following is NOT a reason for an animal to adapt?
A
There is competition for the same food sources.
B
Special body parts and behaviors are needed for survival.
C
An animal has more than one offspring.
D
Ecosystems can change.
9) When a tertiary consumer dies, what is needed to complete the energy cycle?
A
decomposer
B
Nothing can connect the top and bottom of a food chain.
C
consumer
D
producer
10) Species in an ecosystem are like
A
ducks in a row.
B
money in a drawer.
C
boxes stacked high.
D
links in a chain.
11) True or False: A large amount of energy is passed from the bottom of the energy pyramid to the top.
A
na
B
False
C
na
D
True
12) If a frog is eaten by a snake, then the snake is
A
an herbivore
B
prey
C
a predator
D
a producer
13) Which of the following changes to an ecosystem are caused by humans ONLY?
A
volcanic eruption
B
wild fire
C
oil spill
D
disease
14) Which of the following changes to an ecosystem are caused by nature ONLY?
A
pollution
B
wildfire
C
disease
D
earthquake
*select an answer for all questions
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