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CB9F Test

Enter the letter for the matching Answer
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1.
What is food security?
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2.
Which term means the number of different species living in an area?
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3.
In what form is carbon in the atmosphere?
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4.
Which process produces potable water from salty water?
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5.
Which term describes animals that kill and eat other animals?
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6.
Which term describes animals that eat plants or algae?
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7.
Which method can be used to study the distribution of organisms (how they are spread) in a straight line through an ecosystem?
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8.
Name one group of organisms that includes decomposers.
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9.
Which term describes an animal that kills and eats other animals?
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10.
Which process in living organisms adds carbon to the atmosphere?
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11.
Name the source of energy that is transferred to plants.
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12.
Which term describes animals that are killed and eaten by other animals?
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13.
Which scientific term means a species that has been introduced to a new area?
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14.
How can planting trees increase animal biodiversity?
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15.
Name one material, other than water, that cycles through ecosystems.
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16.
Which process describes how plants absorb water from the soil and release it into the air?
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17.
Which term describes environmental harm caused by the build-up of substances?
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18.
The malaria protist causes harm when it infects a human. Which term describes t his relationship between the malaria protist and human?
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19.
Which process causes the formation of clouds of water droplets from water vapour in the air?
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20.
How can fish farming increase the biodiversity of wild fish communities?
A.
(condensation)
B.
prey
C.
(light/Sun)
D.
(predator/any consumer apart from primary)
E.
(belt transect)
F.
What is food security? (enough food for everyone)
G.
(biodiversity)
H.
(non-indigenous/non-native)
I.
(carbon dioxide)
J.
Which term describes animals that kill and eat other animals? (predators/carnivores/secondary consumers)
K.
(parasitism)
L.
(provides more food/habitats)
M.
(herbivores/primary consumers)
N.
(desalination/distillation)
O.
(any one suitable, e.g. carbon, nitrogen)
P.
(respiration)
Q.
(transpiration)
R.
(any suitable, e.g. bacteria, fungi,microorganisms)
S.
(pollution)
T.
(reduced capture of wild fish for humans to eat)
Type the Answer that corresponds to the displayed Question.
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21.
Which process of living organisms removes carbon from the atmosphere?
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22.
Which fieldwork technique uses a quadrat to find out about the distribution of organisms across a habitat?
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23.
For which process in plants is light intensity an important factor?
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24.
Which scientific term means all individuals of the same species living in a particular area?
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25.
Which term measures the dry mass of all living tissue in an organism?
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26.
Which term describes a close relationship between two species that benefits both species?
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27.
Which term describes something that has been added to the environment, causing harm to the organisms?
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28.
Which term means planting new trees in a large area where trees were cut down?
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29.
Which term describes organisms that get their food by eating other organisms?
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30.
Which term describes an organism that breaks down dead plants or animals?

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