The Activity of Earthworms in Soil (Leaving Cert Agricultural Science): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the main aim of the earthworm activity experiment?
What is the main aim of the earthworm activity experiment?
Observe worm movement & organic breakdown
What is the recommended thickness for each soil layer in the wormery?
What is the recommended thickness for each soil layer in the wormery?
2-3 cm
Why must the wormery be covered with light-proof material?
Why must the wormery be covered with light-proof material?
Earthworms are photophobic (avoid light)
How long should the experiment be left undisturbed?
How long should the experiment be left undisturbed?
7-10 days
What is the purpose of the control wormery?
What is the purpose of the control wormery?
Prove changes are due to earthworm activity
What is bioturbation?
What is bioturbation?
Biological mixing of soil layers
What are earthworm castings?
What are earthworm castings?
Nutrient-rich waste pellets
What should be observed in the control wormery after 7-10 days?
What should be observed in the control wormery after 7-10 days?
Distinct, unchanged soil layers
What is the ideal temperature range for the wormery?
What is the ideal temperature range for the wormery?
10-15°C
How do earthworms improve soil for agriculture?
How do earthworms improve soil for agriculture?
Better drainage, aeration & nutrients