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Interactions Of Living Things
Test Description: Food Chain, Food Web, Food Pyramid
Instructions: Answer all questions to get your test result.
1) Organisms that can make their own food from sunlight are called
A
decomposers
B
carnivores
C
producers
D
consumers
2) Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of
A
a herbivore
B
a food web
C
a food chain
D
an omnivore
3) One food web arrow goes from a prairie dog to a coyote, showing that
A
the coyote eats the prairie dog
B
the prairie dog eats the coyote
C
the coyote is bigger
D
the prairie dog is a producer
4) Grass that gains energy from the sun is an example of a
A
consumer
B
producer
C
decomposer
D
parasite
5) A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is
A
an energy pyramid
B
a food chain
C
a food web
D
a population chart
6) After one species disappears, the other species in the ecosystem
A
are unaffected
B
benefit
C
die
D
are thrown out of balance
7) Limiting factors determine an area’s carrying capacity because
A
the number of animals is limited
B
ecosystems are small
C
the number of animals is unlimited
D
animals need resources to survive
8) Which of the following is NOT a prey adaptation?
A
chemical defenses
B
parasitism
C
warning coloration
D
camouflage
9) Nature’s recyclers are
A
predators
B
producers
C
decomposers
D
omnivores
10) Which organisms does the base of an energy pyramid represent?
A
carnivores
B
producers
C
herbivores
D
scavengers
11) Which of the following is the correct order in a food chain?
A
sun→producers→herbivores→scavengers→carnivores
B
sun→consumers→predators→parasites→hosts
C
sun→producers→decomposers→consumers→omnivores
D
sun→producers→herbivores→carnivores→scavengers
12) Which correctly describes a decomposer and what it consumes?
A
earthworm: collects energy from the sun
B
bacteria: consume dead organisms
C
hummingbird: collects energy rich nectar
D
frog: eats a variety of insects
13) Blue-green algae are organisms that convert sunlight into food through photosynthesis.What is the role of blue-green algae in a food chain?
A
scavenger
B
consumer
C
decomposer
D
producer
14) A polar bear hunts a seal. After the polar bear is done feeding, an Arctic fox consumes the remaining meat. Which describes the role of the Arctic fox in this situation?
A
predator
B
decomposer
C
producer
D
scavenger
15) A tick sucks blood from a dog. In this relationship, the tick is the _____ and the dog is the _____.
A
parasite, prey
B
host, parasite
C
parasite, host
D
predator, host
16) Three organisms on the food web have arrows pointing away from them and no arrows pointing toward them. They are
A
herbivores
B
producers
C
decomposers
D
omnivores
17) Three organisms on the food web have arrows pointing toward them but no arrows pointing away from them. This is because
A
nothing shown eats them
B
they make their own food
C
they need no energy
D
they give energy to others
18) The arrows on the food web show that
A
squirrels eat grass
B
deer eat prairie dogs
C
squirrels eat coyotes
D
prairie dogs eat grass
19) What does the arrow between the grasshopper and the coyote represent?
A
energy flowing from consumers to producers
B
energy flowing from the coyote to the grasshopper
C
energy flowing from producers to consumers
D
energy flowing from the grasshopper to the coyote
*select an answer for all questions
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