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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
consumers
B
producers
C
decomposers
D
carnivores
2) Grass is eaten by a prairie dog. The prairie dog is eaten by a coyote. This is an example of
A
a food chain
B
a food web
C
a herbivore
D
an omnivore
3) One food web arrow goes from a prairie dog to a coyote, showing that
A
the prairie dog eats the coyote
B
the coyote eats the prairie dog
C
the prairie dog is a producer
D
the coyote is bigger
4) Grass that gains energy from the sun is an example of a
A
decomposer
B
parasite
C
consumer
D
producer
5) A diagram with arrows showing energy flow from grass, to a rabbit, to a fox is
A
an energy pyramid
B
a population chart
C
a food web
D
a food chain
6) After one species disappears, the other species in the ecosystem
A
die
B
are thrown out of balance
C
benefit
D
are unaffected
7) Limiting factors determine an area’s carrying capacity because
A
the number of animals is unlimited
B
animals need resources to survive
C
the number of animals is limited
D
ecosystems are small
8) Which of the following is NOT a prey adaptation?
A
camouflage
B
chemical defenses
C
warning coloration
D
parasitism
9) Nature’s recyclers are
A
predators
B
decomposers
C
omnivores
D
producers
10) Which organisms does the base of an energy pyramid represent?
A
carnivores
B
scavengers
C
producers
D
herbivores
11) Which of the following is the correct order in a food chain?
A
sun→producers→herbivores→scavengers→carnivores
B
sun→producers→herbivores→carnivores→scavengers
C
sun→producers→decomposers→consumers→omnivores
D
sun→consumers→predators→parasites→hosts
12) Which correctly describes a decomposer and what it consumes?
A
earthworm: collects energy from the sun
B
frog: eats a variety of insects
C
bacteria: consume dead organisms
D
hummingbird: collects energy rich nectar
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
decomposer
B
consumer
C
scavenger
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
producer
B
decomposer
C
scavenger
D
predator
15) A tick sucks blood from a dog. In this relationship, the tick is the _____ and the dog is the _____.
A
host, parasite
B
parasite, host
C
predator, host
D
parasite, prey
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
omnivores
D
decomposers
17) Three organisms on the food web have arrows pointing toward them but no arrows pointing away from them. This is because
A
they make their own food
B
they need no energy
C
they give energy to others
D
nothing shown eats them
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 producers to consumers
C
energy flowing from the grasshopper to the coyote
D
energy flowing from the coyote to the grasshopper
*select an answer for all questions
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