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Ecology
Test Description: Review questions
Instructions: Answer all questions to get your test result.
1) Organisms that consume wastes to obtain the nutrients they need to survive are classified as
A
predators
B
decomposers
C
producers
D
herbivores
2) What do the arrow in a food chain represent?
A
one community replacing another
B
Life cycle stages
C
Flow of energy
D
renewable resource depletion
3) Most scientists agree that an increase in the amount of greenhouse gases entering Earth’s atmosphere causes
A
a decrease in sea level
B
an increase in crustal plate movement
C
a decrease in average surface temperature
D
an increase in melting of the polar ice caps
4) One consumer in a fish tank could be
A
green plant
B
fish
C
rock
D
water
5) Populations living in one place form a
A
habitat
B
system
C
community
D
species
6) Which situation is the best example of ecological succession?
A
An organism survives a difficult winter.
B
Each of several species uses the same amount of resources.
C
One species replaces another species in an ecosystem.
D
The populations in an area remain the same.
7) Which statement best describes the relationship between the deer and the plants?
A
The green plants supply food and carbon dioxide to the deer.
B
The green plants supply food and oxygen to the deer
C
The deer supplies food and oxygen to the green plants.
D
The deer supplies food and carbon dioxide to the green plants.
8) As the population of small fish in a lake decreases, the population of large fish that depend on the small fish for food will
A
reproduce faster
B
decrease in number
C
begin to produce their own food
D
increase in number
9) Idenify which type of organism would be located at level 2 in an energy pyramid
A
Producer
B
Carnivore
C
Omnivore
D
Herbivore
10) Identify one product, other than sugar, that results from the process of photosynthesis.
A
oxygen
B
water
C
sunlight
D
carbon dioxide
*select an answer for all questions
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