Ch. 4 Test Part 2 Question Preview (ID: 52710)


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an organism that is eaten by another organism
a) prey
b) decomposer
c) producer
d) predator

During photosynthesis, plants give off
a) water vapor
b) carbon dioxide
c) nitrogen
d) oxygen

During cellular respiration, organisms give off
a) carbon dioxide and water vapor
b) nitrogen
c) water vapor
d) oxygen

What is the source of energy for most plants?
a) clouds
b) water
c) sunlight
d) animals

The shortest food chains consist of
a) a consumer and a decomposer
b) two producers
c) two consumers
d) a producer and a decomposer

Which describes a food chain and a food web?
a) both contain multiple ways that energy flows
b) both contain only consumers
c) both begin with a producer
d) both must include a carnivore

The relationship between an owl and a mouse is an example of
a) competition
b) producer and consumer
c) symbiosis
d) predator and prey

Which event would cause an ecosystem to change quickly?
a) climate change
b) lake drying up
c) earthquake
d) rock becoming soil

Nonnative animal populations can grow rapidly in a new ecosystem because
a) predators in the ecosystem are not used to hunting them.
b) they have no competition for resources in the ecosystem.
c) nonnative species are always at the top of food chains.
d) they are producers.

an attempt to preserve or protect an environment from harmful changes
a) nonnative species
b) conservation
c) pollution
d)

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