095 STUDYING BEHAVIOUR OF EARTHWORMS

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095 STUDYING BEHAVIOUR OF EARTHWORMS
Earthworms show preferences to where they live.
Check their preference by exposing them to make a
choice between some choices offered.
MATERIALS REQUIRED

• Earthworms
• Filter paper pieces soaked in
• Water
• In water in which soil/compost has been added
• Dilute sugar solution
• Dilute sand solution
• Sand paper

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MATERIALS REQUIRED
Filter paper pieces soaked
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water-soaked filter paper
Cut strips of the differently treated
filter-papers as shown in the picture
above. Arrange them on the outer border of the
filter paper soaked in water. Place earthworms on
the filter paper soaked in water as shown in the
picture. Keep all papers moist. Observe the
choice of earthworms. Record and discuss.
Do this experiment inside the room and not in
bright light.