What is the estimated number of microorganism species in a single gram of soil?

The Hidden World Beneath Our Feet: Unveiling Soil's Secrets and Ecological Importance

Interactive Video
•
Biology, Science, Geography
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10,000
50,000
100,000
500,000
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do microorganisms in soil contribute to human medicine?
By decomposing organic matter
By producing vitamins
By creating antibiotic compounds
By enhancing plant growth
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do earthworms play in soil health?
They absorb carbon dioxide
They produce nitrogen
They create breathing holes in the soil
They decompose rocks
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do fungi provide to plants in exchange for carbon?
Sunlight
Nutrients like nitrogen and phosphorus
Oxygen
Water
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long does it take to form just five millimeters of soil?
500 years
100 years
50 years
10 years
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one major threat to soil health mentioned in the video?
Overfishing
Intensive farming
Deforestation
Air pollution
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is the oldest soil on Earth thought to be located?
Australia
Brazil
India
South Africa
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