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Ecology
Test Description: Review Ecology using this review game
Instructions: Answer all questions to get your test result.
1) Which type of organism can obtain energy directly from any of the other organisms in an ecosystem?
A
producer
B
decomposer
C
carnivore
D
herbivore
2) The carrying capacity for herbivores in a habitat is most directly affected by the availability of
A
decomposers in the soil
B
carbon dioxide in the atmosphere
C
heat energy released by carnivores
D
photosynthetic organisms
3) One advantage of biodiversity in an ecosystem is that it
A
guarantees that the largest organisms will dominate the area
B
develops relationships between organisms that are always positive over long periods of time
C
ensures a large amount of identical genetic material
D
increases the chance that some organisms will survive a major change in the environment
4) Abiotic factors that affect the growth of grass in a lawn include
A
fertilizer and decomposers
B
bacteria and soil
C
earthworms and nutrients
D
moisture and minerals
5) In 1960, an invasive species of fish was introduced into the stable ecosystem of a river. Since then, the population of a native fish species has declined. This is an example of an
A
environmental impact caused by physical factors
B
ecological niche without competition
C
ecosystem that has recovered
D
ecosystem altered through the activities of an organism
6) In an energy pyramid, the energy for use by organisms in first trophic level originally comes from
A
producers
B
level D
C
level B
D
the Sun
7) Which human activity would most likely deplete finite resources?
A
uncontrolled population growth
B
governmental restriction of industrial pollution
C
development of wildlife refuges
D
use of natural enemies to eliminate insect pests
8) The increasing demands for fossil fuels has led government to consider several possibilities to solve the energy crisis. Which solution will reduce the impact of this crisis?
A
increase the number of drilling sites for crude oil in North America
B
limit the number of people in each vehicle
C
develop alternative fuel sources that can be produced from renewable resources
D
build more power plants away from population centers
9) An organism that gets their food from other sources is called a(n)
A
fungi
B
autotroph
C
decomposer
D
heterotroph
10) Which organism is considered a producer?
A
frog
B
cricket
C
mountain lion
D
grass
*select an answer for all questions
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