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Ch. 4 Test Part 2
Test Description: Test review
Instructions: Answer all questions to get your test result.
1) an organism that is eaten by another organism
A
decomposer
B
prey
C
predator
D
producer
2) During photosynthesis, plants give off
A
nitrogen
B
carbon dioxide
C
oxygen
D
water vapor
3) During cellular respiration, organisms give off
A
oxygen
B
carbon dioxide and water vapor
C
nitrogen
D
water vapor
4) What is the source of energy for most plants?
A
animals
B
clouds
C
sunlight
D
water
5) The shortest food chains consist of
A
a consumer and a decomposer
B
a producer and a decomposer
C
two consumers
D
two producers
6) Which describes a food chain and a food web?
A
both contain multiple ways that energy flows
B
both contain only consumers
C
both must include a carnivore
D
both begin with a producer
7) The relationship between an owl and a mouse is an example of
A
symbiosis
B
predator and prey
C
competition
D
producer and consumer
8) Which event would cause an ecosystem to change quickly?
A
lake drying up
B
earthquake
C
climate change
D
rock becoming soil
9) Nonnative animal populations can grow rapidly in a new ecosystem because
A
they have no competition for resources in the ecosystem.
B
they are producers.
C
nonnative species are always at the top of food chains.
D
predators in the ecosystem are not used to hunting them.
10) an attempt to preserve or protect an environment from harmful changes
A
nonnative species
B
conservation
C
pollution
*select an answer for all questions
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