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