Sarika read that woodlice are usually found under piles of damp rotting leaves. She suggested four possible explanations for this behaviour.
1. Woodlice need rotting leaves.
2. Woodlice find their food there.
3. Woodlice need dark conditions.
4. Woodlice need a damp environment.
The above diagram shows the experiment which Sarika had conducted. Which above explanation regarding the behaviour of the woodlice was tested by Sarika?