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Underground Chase
Underground Chase
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Which of these springtails arrived first on Earth?
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5 points
Entomobrymorph
Poduran
Symphylan
Who said:" "We know more about the movement of celestial bodies than about the soil underfoot." ?
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7 points
Plato
da Vinci
Darwin
Which of these compunds accounts for the most carbon in soil?
5 points
Lignin
Humus
Glomalin
Clear selection
Which of these bacteria arrived last?
5 points
Azotobacter - free-living N-fixing bacteria
N-fixing nodule bacteria
Phosphate Solubising Bacteria
Clear selection
How long did it take for the soil to arrive under your feet?
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5 points
One Day
10,000 years
1/2 billion years
Which worms arrived first
5 points
Earthworms
Potworms
Eelworms/Roundworms
Clear selection
Which surface dwelling beetles do NOT eat springtails?
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5 points
Sexton beetles
Rove beetles
Carabid beetles
Which of these common oribatid mites appear last?
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5 points
Moss mites
Armoured (beetle) mites
Box mites
Which Russian scientist was the first to call soil a 'natural body'?
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7 points
M.S Ghilarov
N. I. Vavilov
V. Dokuchaev
How much do all the springtails in the world weigh?
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5 points
All elephants
10X all elephants
100 X all elephants
How many years did it take to build the soil we have lost in the last 40 years?
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5 points
4,000 -40,000 year
40,000 - 400,000 years
400,000 - 4million years
How much more water can a hectare of soil hold when organic matter increases by 1%
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5 points
20 - 50, 000 litres/hectare
75 - 200,000 l/ha
200-- 400,000 l/ha
Which of these soils arrived first?
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5 points
Podzol (Spodosols (USDA system)
Chernozem (Mollisol in USDA)
Histosol
How much are the worldwide soil eco-services estimated to be worth?
5 points
Over $100 million
Over $1 Billion
Over 10 trillion
Clear selection
What proportion of the Earth's biodiversity is underground?
4 points
2/5
1/2
3/5
Clear selection
How heavy is a cubic meter of damp, decent soil?
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4 points
0.5 ton
1.5 ton
2.5 ton
Which earthworms arrived first - around 200mya?
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5 points
Epigeic (surface soil dwellers)
Endogeic (hozontal burrowers)
Anecic (Vertical burrower)
How much energy is stored in the soil worldwide?
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5 points
Equal to all Coal reserves
Equal to all Oil reserves
Equal to all Coal and Oil reserves
When was 'Glomalin' first extracted from soil?
5 points
1896
1946
1996
Clear selection
Which of these mycorrhizal fungi appear first?
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3 points
Ectomycorrhiza
Arbuscular Mycorrhiza
Orchid Mycorrhiza
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