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Ecology Review
Test Description: For ecology test
Instructions: Answer all questions to get your test result.
1) An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)
A
consumer
B
autotroph
C
detritivore
D
heterotroph
2) The movements of energy and nutrients through living systems are different because?
A
energy is limited in the biosphere and nutrients are always available
B
energy flows in one direction and nutrient recycle
C
energy forms chemical compounds and nutrients are lost as heat
D
nutrients flow in one direction and energy recycles
3) what is the original source of almost all the energy in most ecosystems?
A
sun
B
carbohydrates
C
carbon
D
water
4) all the interconnected feeding relationships in an ecosystem make up a food
A
interaction
B
chain
C
network
D
web
5) green plants are
A
consumers
B
herbivores
C
producers
D
omnivores
6) large ecosystems with the same climate are
A
biomes
B
communities
C
biosphere
D
populations
7) the total amount of variety among living things is called
A
ecology
B
energy pyramid
C
biodiversity
D
biomass
8) which of the following descriptions about the organization of an ecosystem is correct?
A
species make up communities,which make up populations
B
populations make up species,which make up communities
C
species make up populations,which make up communities
D
communities make up species,which make up populations
9) only 10 percent of the energy stored in one organism can be passed on to another organism when its is eaten.the rest of the energy is
A
stored as body tissue
B
used in reproduction
C
stored as fat
D
eliminated as heat
10) which of the following organisms is the most important in the nitrogen cycle?
A
humans
B
bacteria
C
plants
D
lighting
*select an answer for all questions
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