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WorksheetsGalloway's Chapter 12 & 13 Review -Ecosystems
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
A _____ consists of many overlapping food chains in an ecosystem.
a)
food web
b)
food chain
c)
energy pyramid
d)
ecosystem
2.
Organisms that make their own food
a)
producer
b)
consumer
c)
decomposer
d)
scavenger
3.
_____ is a series of events in which one organism eats another and obtains energy.
a)
food chain
b)
food web
c)
energy pyramid
d)
ecosystem
4.
A ________ shows the amount of energy that moves from one feeding level to another.
a)
energy pyramid
b)
food chain
c)
food web
d)
biosphere
5.
Organisms that break down wastes and dead organisms and return the raw materials to the earth
a)
decomposers
b)
producers
c)
scavengers
d)
consumers
6.
Organisms that obtain energy by feeding on other organisms
a)
consumers
b)
decomposers
c)
scavengers
d)
producers
7.
Consumers that eat only animals
a)
carnivore
b)
herbivore
c)
omnivore
d)
scavenger
8.
Consumers that eat only plants
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
9.
Consumers that eat both plants and animals
a)
omnivore
b)
carnivore
c)
decomposers
d)
scavenger
10.
Consumers that feed on the bodies of dead organisms
a)
scavenger
b)
decomposers
c)
carnivore
d)
omnivore
11.
Mushrooms and Bacteria are common
a)
decomposers
b)
scavengers
c)
producers
d)
consumers
12.
____________ moves through an ecosystem when one organism eats another
a)
energy
b)
food
c)
sugar
d)
organisms
13.
The most energy is available at the _____________ level of the energy pyramid.
a)
producer
b)
consumer
c)
decomposer
d)
energy
14.
As energy moves up the pyramid, each level has _______ energy available than the level below
a)
less
b)
more
c)
moderate
d)
the majority
15.
Carbon and oxygen are both __________ in an ecosystem.
a)
recycled
b)
absorbed
c)
rented
d)
sold
16.
The processes of evaporation, condensation, and precipitation make up
a)
the water cycle
b)
the nitrogen cycle
c)
the carbon and oxygen cycle
d)
the bicycle
17.
The process by which a gas changes to a liquid is called
a)
condensation
b)
precipitation
c)
evaporation
d)
dehydration
18.
Producers, consumers, and decomposers are linked by their role in recycling carbon and ___________
a)
oxygen
b)
carbon
c)
helium
d)
nitrogen
19.
___________ is a major component of bones and the proteins that build muscles.
a)
carbon
b)
oxygen
c)
gold
d)
helium
20.
The process of changing free nitrogen into a usable form of nitrogen is called ____________
a)
nitrogen fixation
b)
evaporation
c)
photosynthesis
d)
condensation
21.
___________ the continuous process by which water moves from Earth's surface to the atmosphere and back
a)
The water cycle
b)
The nitrogen cycle
c)
The carbon and oxygen cycle
d)
The tricycle
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