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LC Ecology OL Test

Enter the letter for the matching Definition
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1.
Pollution
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2.
Community
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3.
Niche
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4.
Pyramid of Numbers
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5.
Nitrogen Fixation
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6.
Habitat
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7.
Denitrification
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8.
Carnivore
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9.
Ecology
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10.
Energy Flow
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11.
Trophic level
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12.
Producers
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13.
Food Web
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14.
Food Chain
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15.
Nitrogen Cycle
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16.
Edaphic factors
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17.
Abiotic factors
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18.
Carbon Cycle
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19.
Ecosystem
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20.
Waste Management
A.
A series of interlinked food chains.
B.
A group of clearly distinguished organisms that interact with their environment
C.
Any harmful addition to the environment
D.
To take nitrogen from the air and make it available for use by living things.
E.
A sequence of organisms in which each one is eaten by the next member in the chain ex: dandelion, butterfly, thrush, hawk
F.
The study of the interaction between living things and their environment
G.
All the different populations in an area (groups of different species)
H.
The place where an organism (plant or animal) lives
I.
Representation of the number of organisms at each trophic level.
J.
Energy flows through an ecosystem, whereas nutrients (minerals) are recycled.
K.
The functional role an organism plays in the community. (Organisms with identical niches will compete with each other.)
L.
Animals that feed on other animals only ex lions, seals, eagles
M.
Organisms that can make their own food through photosynthesis (or chemosynthesis)
N.
The process by which carbon from the environment is converted to carbon in living things.
O.
Preventing pollution and conserving the environment. Where possible it involves recycling.
P.
The conversion of nitrogen gas into ammonia, ammonium and nitrates
Q.
Factors relating to the soil ex soil pH, soil type
R.
Non-living factors ex currents, altitude
S.
A feeding stage in a food chain
T.
The conversion of nitrates into nitrogen gas
Type the Term that corresponds to the displayed Definition.
incorrect
21.
Animals that feed on plants only ex deer, sheep, rabbits
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22.
Living factors ex. Food, predators
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23.
Animals that feed on both plants and other animals ex, humans, badgers
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24.
Chemicals that contaminate the natural environment
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25.
The conversion of ammonia and ammonium to nitrates and then to nitrites
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26.
The way in which elements are exchanged between the living and non-living components of an ecosystem.
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27.
Condition where lakes become over-enriched with nutrients, resulting from excess artificial fertilisers washed into rivers and lakes. Leads to lack of oxygen in the water
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28.
Organisms that take in food from another organism
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29.
All the members of the same species living in an area
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30.
The protection and wise management of our natural resources and environment.

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Created by: embarrett
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